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Midterm Review

Total questions: 215

Worksheet time: 4hrs 12mins

Name
Class
Date
1.

The largest number of individuals that an environment can support long term is...

a)

carrying capacity

b)

emigration

c)

immigration

d)

population density

2.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

3.

This may cause a population to increase

a)

increase of food supply

b)

removal of predators

c)

removal of disease

d)

all of these

4.

Something that regulates the size of a population is called...

a)

a limiting measure

b)

a limiting factor

c)

carrying capacity

d)

biodiversity

5.

What are factors that affect carrying capacity?

a)

Biotic only

b)

Biotic and abiotic

c)

Depends on the ecosystem

d)

Abiotic only

6.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

7.

What is the carrying capacity of the graph?

a)

around 500

b)

more than 800

c)

less than 300

d)

around 700

8.
Which of the following would INCREASE the carrying capacity of an ecosystem?
a)
increase in predators
b)
disease
c)
increase in available food
d)
drought
9.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
10.

A scientist was studying a population of fish in a pond over a period of 10 years. He observed that the population increased each year for 3 years, and then remained nearly constant for the rest of the study. The best explanation for this observation is that the population had

a)

stopped reproducing

b)

reached carrying capacity

c)

mutated into a different species

d)

run out of food and all died

11.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
12.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
13.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
14.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
15.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
16.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
17.
All polymers are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these
18.
Lipids can be digested into what smaller subunits?
a)
nucleic acids
b)
amino acids
c)
fatty acids
d)
glucose
19.

Enzymes belong to which class of macromolecules?

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

20.

Sugar belongs to which class of macromolecules?

a)

proteins

b)

lipids

c)

nucleic acids

d)

carbohydrates

21.

DNA belongs to which class of macromolecules?

a)

proteins

b)

nucleic acids

c)

carbohydrates

d)

lipids

22.
Which major macromolecule is being represented in this image? 
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
23.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
24.
What are the 4 most abundant elements in living things?
a)
hydrogen, oxygen, nitrogen, carbon
b)
hydrogen, helium, oxygen, carbon
c)
carbon, manganese, iron, hydrogen
25.
The building blocks (monomers) or proteins are _______.
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
26.
How does the carbon in grass become part of a lion?
a)
The lion eats the grass
b)
Carbon from grass doesn't end up in a lion. 
c)
The carbon ends up in the lion's food chain. 
d)
The lion breathes in carbon given out by the plant
27.

Organisms that do not decompose naturally can be buried and become what?

a)

oxygen

b)

nutrients

c)

calcium carbonates

d)

fossil fuels

28.

If the plant population decreased, the amount of carbon dioxide in the atmosphere would _________.

a)

Stay the same

b)

Increase

c)

Decrease

29.
Combustion is another word for __________.
a)
Transportation
b)
Respiration
c)
Fossil Fuels
d)
Burning
30.
What are the end products of cellular respiration? 
a)
Carbon dioxide, water and ATP energy
b)
Carbon dioxide, glucose and water
c)
Oxygen, glucose and ATP energy
d)
Water, Carbon dioxide and Oxygen
31.

How does the human body return carbon to the atmosphere in the carbon cycle?

a)

Waste products

b)

Photosynthesis

c)

Cellular respiration

d)

Formation of glucose

32.

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

a)

burning . . . photosynthesis

b)

fixation . . . decomposition

c)

decomposition . . . photosynthesis

d)

respiration . . . decomposition

e)

respiration . . . photosynthesis

33.

If a forest fire occurs, what will happen to the carbon in the forest?

a)

It will go into the soil

b)

It will go into the atmosphere

c)

It will runoff into nearby streams and rivers

d)

It will be destroyed

34.

Where does all the carbon in organisms (living things) originate from?

a)

Earth's atmosphere

b)

Rocks

c)

Water

d)

Soil

35.

What kind of organism takes out the most carbon from the atmosphere?

a)

Plants

b)

Bacteria

c)

Animals

d)

Humans

36.

Check all the ways that carbon dioxide is REMOVED from the atmosphere.

a)

Respiration

b)

Combustion

c)

Photosynthesis

d)

Diffusion

e)

Decomposition

37.

Producers, like plants, do not cellular respiration.

a)

True

b)

False

38.

What is the Hydrosphere.

a)

All of the Earth

b)

All of the Air

c)

All of the life.

d)

All of the Water

39.

What is the atmosphere?

a)

The air.

b)

The water.

c)

The earth.

d)

The life.

40.

Which of the following is found in the earths Geosphere

a)

Soil

b)

Rocks

c)

Minerals

d)

All of the Above

41.
This sphere is composed of all the living things 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
42.

Which of the following is found in the earths Geosphere

a)

Soil

b)

Rocks

c)

Minerals

d)

All of the Above

43.
This sphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts. 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
44.
Composed of all the water on or near the earth
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
45.
Body of air surrounding our planet. 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
46.

Earth is divided into four different spheres. Which statement is true about the interaction between two of these spheres?

a)

Weather is an interaction between the hydrosphere and the geosphere.

b)

A plant receiving water from precipitation is an interaction between the biosphere and the hydrosphere.

c)

An ice cap providing shelter for an arctic animal is an interaction between the biosphere and the hydrosphere.

d)

The formation of the Grand Canyon is an example of an interaction between the geosphere and the atmosphere.

47.
Oceans, rivers, lakes, and the moisture in the air are all part of which of Earth's spheres? 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
48.
When living things breathe, they interact with which of Earth's spheres? 
a)
Geosphere 
b)
Hydrosphere 
c)
Atmosphere 
d)
Biosphere 
49.

Which statement shows an interaction among Earth's spheres?

a)

Rain falls and waters plants, helping them to grow.

b)

An asteroid strikes the Earth, forming a huge crater.

c)

A pack of wolves hunts a herd of deer in the woods.

d)

Ice melts and flows into a stream that flows into a large lake.

50.

Scientists model the Earth system by dividing it into what four parts?

a)

sun, land, water, living things

b)

air, water, surface, inner core

c)

air, fire, water, ice

d)

land, water, living things, air

51.

All changes and interactions among Earth's spheres need energy from the

a)

air masses.

b)

ocean.

c)

sun.

d)

weather.

52.
Which of these human actions can have a positive impact on all of Earth's spheres?
a)
burning fossil fuels
b)
recycling plastic
c)
piling up landfills
d)
dumping waste
53.

What is matter?

a)

A state of importance or significance

b)

A type of antimatter

c)

Anything that has mass and takes up space

d)

A new scientific theory

54.

What is energy?

a)

The ability to do work, heat or thermal

b)

A unit of power in physics

c)

A renewable resource only

d)

The scientific term for electricity

55.

What is cellular respiration?

a)

A breathing technique for relaxation

b)

A plant using carbon dioxide and sugar to make oxygen and water

c)

The process of cells breaking down food to release energy

d)

A type of exercise for strengthening lung capacity

56.

What is a chemical reaction?

a)

The process of mixing two substances to create a new color

b)

The result of performing an experiment

c)

A change that affects the physical properties of a substance

d)

A transformation that results in the formation of new chemical substances

57.

What are bonds?

a)

Financial instruments for investment

b)

A link between two chemical elements

c)

The physical restraints used in security

d)

A type of strong adhesive

58.

What is photosynthesis?

a)

A process in the human body to synthesize vitamin D

b)

Plants using sunlight, water, and carbon dioxide to make sugar and oxygen

c)

A method to synthesize artificial light

59.

The chart below lists substances involved in the process of photosynthesis.


Substance

A - glucose

B - oxygen

C - carbon dioxide

D - water


Which statement best describes how these substances interact in photosynthesis?

a)

A and B combine to produce C and D.

b)

B and C combine to produce A and D.

c)

C and D combine to produce A and B.

d)

A and C combine to produce B and D.

60.

During the process of cellular respiration, energy is released from

a)

carbon dioxide

b)

oxygen atoms

c)

water molecules

d)

chemical bonds

61.

Which life process carried out by a green plant is represented in the diagram below?

a)

respiration

b)

photosynthesis

c)

digestion

d)

replication

62.

What is conserved during a chemical reaction?

a)

energy only

b)

matter only

c)

both matter and energy

d)

neither matter nor energy

63.

All energy in an ecosystem comes from the sun. This energy is passed through the ecosystem as organisms eat other organsims.

a)

Ominvores

b)

Herbivores

c)

Detritivores

d)

Flow of energy

64.

The flow of carbon from the atmosphere to plants, to animals to the soil and back into the atmosphere.

a)

Bi-Cycle

b)

Nitrogen Cycle

c)

Carbon Cycle

d)

Abiotic Cycle

65.
Carbon can be found in...
a)
The atmosphere
b)
Soil
c)
Fossil fuels
d)
All of the above
66.

The prefix "bio" comes from a Greek word that means what?

a)

Life

b)

Water

c)

Earth

d)

Ground

67.

Which of the following is found in the earths Geosphere

a)

Soil

b)

Rocks

c)

Minerals

d)

All of the Above

68.
Wind is part of what sphere of Earth?
a)
Windosphere
b)
Atmosphere
c)
Hydrosphere
d)
Airosphere
69.
An example of a connection between ATMOsphere and HYDROsphere is:
a)
rain
b)
rivers
c)
lakes
d)
rocks
70.
The Four Spheres of Earth
a)
are all connected
b)
have nothing to do with one another
c)
exist on Venus and Mars
d)
don't affect human life
71.
This picture best describes which connection?
a)
Atmosphere-Biosphere
b)
Hydrosphere-Atmosphere
c)
Hydrosphere-Geosphere
d)
Geosphere-Biosphere
72.
What does NOT produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
73.

Part of the Earth where life is found

a)

Biome

b)

Ecology

c)

Biosphere

d)

Ecosystem

74.

A volcanologist examines lava expelled during the latest eruption. She is studying what

Earth sphere?

a)

Geosphere

b)

MAgnetosphere

c)

Cryosphere

d)

Hydrosphere

75.

the combination of Earth's inner and outer core, mantle, and crust

a)

Lithosphere

b)

Geosphere

c)

Biosphere

d)

Atmosphere

76.

Pick all examples down below that have to do with biosphere.

a)

Ocean

b)

Human

c)

Sunflower

d)

limestone

77.

The prefix "Geo" means ____

a)

earth, ground and soil

b)

water

c)

life

d)

air

78.

Water availability impacts plant growth and animals who depend on plants for food are interactions between the

a)

Geosphere and Hydrosphere

b)

Cryosphere and atmosphere

c)

Biosphere and geosphere

d)

Hydrosphere and biosphere

79.

Florida's unique sandy soil and subtropical climate are ideal for growing orange trees. Which of these parts of the Earth system are interacting when Florida’s orange trees grow?

a)

biosphere, hydrosphere, and atmosphere

b)

geosphere, cryosphere, and atmosphere

c)

biosphere, hydrosphere, and cryosphere

d)

cryosphere, atmosphere, and hydrosphere

80.
When volcanoes erupt, dust and ash particles spread through much of the air blocking the sun.  Which two spheres are interacting? 
a)
Hydrosphere and atmosphere 
b)
Geosphere and atmosphere 
c)
Biosphere and atmosphere 
d)
Atmosphere and atmosphere 
81.

Draw the letter(s) on the periodic able that Carbon means

82.

Draw the Carbon Dioxide formula

83.

Carbon Dioxide is found in which of the following?

a)

Living Tissues

b)

Rocks

c)

Trees

d)

Food

84.

What is the Carbon Cycle?

4 lines
85.

True or False? Carbon moves from the atmosphere to plants then from plants to animals

a)

True

b)

False

86.

What process removes carbon from the atmosphere?

a)

Water

b)

Air

c)

Photosynthesis

d)

Nothing

87.

Why is the Carbon Cycle important?

a)

Excess carbon in the ocean makes the water more acidic, putting marine life in danger

b)

It regulates the Earth's temperature, make up the food that we eat, and provide energy that sustains our economy worldwide.

c)

It is the main cost of human-induced climate change

d)

It makes the atmosphere better with the gas and pollution.

88.

How do living organisms return carbon to the atmosphere in the carbon cycle?

a)

Fossil fuels

b)

Decomposition

c)

Respiration

d)

Photosynthesis

89.

Organisms that do not decompose can be buried and become what?

a)

Plant food

b)

Decomposition

c)

Toxic waste

d)

Fossil fuels

90.

Which is the correct equation for photosynthesis?

a)

There are multiple equations

b)

CO2+light+H2O

-->O2+glucose

c)

There is no equation

d)

CO2-->light

+H2O+glucose+O2

91.

Food, water, sunlight, shelter, and space are resources that are  __________ population growth

a)

limit

b)

carry

c)

are found in rocks

92.

When resources are NOT available a population will _____________ in size.

a)

Increase

b)

Decrease

c)

Stay the same

93.

Which of the following are resources in an environment? (Check all that apply)

a)

Food

b)

Space

c)

Wind

d)

Heat

e)

Mates

94.

What must occur in the environment for a population to grow like Line B?

a)

The environment must have abundant resources.

b)

The environment must have limited resources.

c)

The environment must have a lot of predators

d)

The environment must have the right temperature

95.

Which of the following statements best describes the carrying capacity of an environment?

a)

A unchangeable number that remains stable throughout time

b)

The maximum number of organisms of all species an ecosystem can support

c)

The maximum number of individuals of a species that an ecosystem can support

d)

The smallest number of individuals of a species that an ecosystem can support

96.

Producers in an ecosystem are the

a)

plants- they are first level of energy usable by an ecosystem

b)

energy from the sun

c)

the herbivores- they produce energy for carnivores

97.

This abiotic factor could cause a population to leave the area!

a)

Disease

b)

Increase in temp

c)

Less prey

98.

Changes in this biotic factor could cause an increase in a population....

a)

Increase in predators

b)

Increase in prey

c)

Change in dissolved oxygen levels

99.

Primary succession occurs in an area that has:

a)

soil

b)

no soil

c)

some soil

d)

none of these

100.

___ are the first organisms to colonize an area and begin the process of ecological succession.

a)

foundational organisms

b)

introductory organisms

c)

primary organisms

d)

pioneer species

101.

What is an example of an area that is likely to undergo primary succession?

a)

Glaciers melt and leave exposed rock

b)

Plants die from drought and decompose

c)

Land is bulldozed and soil remains

102.

What is the main difference between primary and secondary ecological succession?

a)

Primary begins WITHOUT soil; Secondary begins WITH soil

b)

Primary is the first state and secondary is the second stage

c)

Primary builds plant community; secondary builds animal community

d)

Primary begins WITH soil; Secondary begins WITHOUT soil

103.

What is an example of a disturbance that could bring about secondary succession?

a)

Humans cut down many trees in a small region.

b)

A volcanic eruption covers an area in lava.

104.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
105.

Replacement of one type of community by another at a single place over time in a predictable series of change...

a)

symbiosis

b)

succession

c)

competition

d)

cooperation

106.

What is ecological succession?

a)

A) The process of one species evolving into another

b)

B) The recycling of nutrients in an ecosystem

c)

C) The process of ecological change where one community replaces another over time

d)

D) The migration of animals from one habitat to another

107.
When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?
a)
Non-native plants are able to mutate rapidly
b)
Non-native  plants cause native animals to relocate
c)
Non-native plants are able to be used for medicine
d)
Non-native plants compete with native plants for resources
108.
What is an invasive species?
a)
A native (naturally found) species which are added to an area. 
b)
A non-native (not naturally found) species added to an area. 
c)
A keystone species in an environment
d)
none of the above
109.

True or False: Invasive species are invasive everywhere they are found.

a)

True

b)

False

110.

What are the economic consequences of the spotted lanternfly on agriculture?

a)

Decrease in crop damage, lower production costs, and no loss of revenue for farmers

b)

No impact on agriculture, lower production costs, and increased revenue for farmers

c)

Damage to crops, increased production costs, and potential loss of revenue for farmers

d)

Increase in crop yield, reduced production costs, and higher revenue for farmers

111.

Which of the following results when levels of CO2 in the atmosphere increase due to fossil fuel burning?

a)

ecological succession 

b)

acid rain 

c)

ozone depletion

d)

global warming

112.
What are the effects of deforestation ?
a)
loss of habitat
b)
increased green house gasses 
c)
soil erosion and flooding
d)
all of the above
113.
Which of the following is not a reactant of photosynthesis?
a)
carbon dioxide
b)
oxygen
c)
water
d)
sunlight
114.
Which of the following is an energy storage molecule?
a)
ATP
b)
oxygen
c)
glucose
d)
carbon dioxide
115.
What kind of organism does photosynthesis?
a)
heterotroph
b)
autotroph
c)
autotrophs and heterotrophs
d)
fungi
116.
In which organelle does cellular respiration occur?
a)
mitochondria
b)
chloroplast
c)
ribosome
d)
nucleus
117.
In which organelle does cellular respiration occur?
a)
mitochondria
b)
chloroplast
c)
ribosome
d)
nucleus
118.
What type of organism does cellular respiration?
a)
autotroph
b)
heterotroph
c)
autotrophs and heterotrophs
d)
detrivores
119.
Glucose goes into which of the following reactions?
a)
photosynthesis
b)
cellular respiration
120.
In which organelle does photosynthesis occur?
a)
mitochondria
b)
chloroplast
c)
ribosome
d)
lysosome
121.
What is cellular respiration?
a)
transporting material
b)
talking with someone on a cell phone
c)
breaking food down to get the energy
d)
storing energy as a lipid
122.
Which of the following is the source of almost all energy on earth?
a)
ATP
b)
glucose
c)
sunlight
d)
oxygen
123.
What is a major source of energy for cellular respiration?
a)
DNA
b)
water
c)
the cell membrane
d)
glucose
124.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2 
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2 
125.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
126.
How can photosynthesis be related to cellular respiration?
a)
What's produced by one is needed for the other
b)
They both produce the same products
c)
They both have the same reactants (need the same things)
d)
These 2 processes have nothing in common
127.
Why is photosynthesis important?
a)
creates oxygen for animals to breath
b)
creates energy for heterotrophs to use
c)
creates food for plants to use
d)
all of these are correct
128.

Which type of organism would MOST likely benefit directly from increased levels of CO2?

a)

mushroom

b)

tree

c)

bird

d)

fish

129.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
130.

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

a)

keystone

b)

invasive

c)

engineer

d)

predator

131.

A species that does not belong in a balanced ecosystem, comes in, and changes it (usually for the worse).

a)

flagnship

b)

umbrella

c)

invasive

d)

predator

132.

The number and variety of different species in an area

a)

Biodiversity

b)

Keystone species

c)

Extinction

d)

Invasive species

133.

The disappearance of all members of a species from Earth

a)

Biodiversity

b)

Keystone species

c)

Extinction

d)

Invasive species

134.

A species indigenous to a certain region or ecosystem naturally is a ---

a)

Native Species.

b)

Accidental Species.

c)

Introduced Species.

d)

Invasive Species.

135.

A series of progressive changes in the composition of an ecological community over time

a)

Climax Community

b)

Primary Succession

c)

Ecological Succession

d)

Species Richness

136.

Which of the following leads to a decrease in biodiversity?

a)

introduction of invasive species

b)

prevention of erosion

c)

ecological land use planning

d)

pollution control

137.

Presently, the biggest threat to biodiversity is;

a)

Asteriod strikes, such as what happened 65 million years ago and resulted in the extinction of the dinosaurs.

b)

Human population growth, because as population increases, so does the number of plants and animals it consumes, resulting in a decrease of those organisms.

c)

Habitat destruction, such as cutting down portions of tropical rain forest, which destroys the niches occupied by tropical organisms.

d)

The proliferation of zoos and botanical gardens, causing causing people to care less about preserving species in the wild because they are being cared for those in sanctuaries.

138.

What is a keystone species?

a)

A species that helps to hold an ecosystem together

b)

A species that lives in or around rocks

c)

Keys and stones have nothing to do with ecology

d)

A keystone isn't a living thing, it's just a stone

139.
Based on the graph shown, what is the effect of removing a keystone species from an ecosystem?
a)
biodiversity goes up
b)
biodiversity goes down
c)
biodiversity stays about the same
d)
not enough information to tell
140.
Based on the graph shown, how can you tell sea otters are a keystone species?
a)
as the sea otter population decreases, biodiversity increases
b)
as sea otter population increases, biodiversity increases
c)
changes in the sea otter population have little effect on biodiversity 
d)
the sea otter population dereases due to the presence of urchins
141.

Use the food web to answer this question: mice and grasshoppers both eat grain. How are they BOTH able to survive in this ecosystem?

a)

The mouse eats owls so it doesn't actually compete with grasshoppers.

b)

Grass and grain eat both mice and grasshoppers.

c)

Grasshoppers can also eat grass, so they don't have to compete with mice as much.

d)

Mice can also eat carrots so they don't have to compete as much with grasshoppers.

142.

How much energy is lost at each level of the energy pyramid?

a)

20%

b)

10%

c)

90%

d)

75%

143.

Select all Abiotic factors that contribute to an ecosystem. (Select ALL that apply)

a)

Soil

b)

Wind

c)

Trees

d)

Sunlight

e)

Air

144.

Why is biodiversity important?

a)

Species diversity ensures natural sustainability

b)

Species are more resistant to disease and disturbances

c)

Creates a functional and healthy ecosystem

d)

Purifies our air and water supplies

e)

All of the above

145.

The ecological role an organism performs in their specific environment is considered the organism's...

a)

Habitat

b)

Population

c)

Biome

d)

Niche

146.

the differentiation of niches that enables similar species to coexist in a community

a)

character displacement

b)

climax community

c)

niche partitioning

d)

pioneer species

147.

The ecological niches of three bird species are shown in the diagram. What is the advantage of each bird species having a different niche?

a)

As more birds feed higher in the tree, available energy increases.

b)

More abiotic resources are available for each bird.

c)

Predators are less likely to feed on birds in a variety of locations.

d)

There is less competition for food.

148.

Anything that is required for life, such as food, water, or light.

a)

Community

b)

Competition

c)

Resource

d)

Competitive Exclusion Principle

149.

What is niche partitioning?

a)

The process of combining resources to increase competition among species.

b)

The sharing of unlimited resources among different species to promote competition.

c)

The elimination of resources to reduce competition and allow coexistence.

d)

The division of limited resources among different species to reduce competition and allow coexistence.

150.

In preparation for an electrophoresis procedure, enzymes are added to DNA in order to

a)

convert the DNA into gel

b)

cut the DNA into fragments

c)

change the color of the DNA

d)

produce longer sections of DNA

151.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
152.
Which suspect is likely guilty?
a)
Suspect #1
b)
Suspect #2
c)
Suspect #3
153.
Which two bat species are most closely related?
a)
 Bat 1 and Bat 2
b)
Bat 1 and Bat 3
c)
Bat 2 and Bat 3
d)
There’s no way to tell
154.
What are the base-pairing rules in DNA?
a)
A-C, G-T
b)
A-U, G-C
c)
A-T, G-C
d)
A-C, G-U
155.

This laboratory procedure is known as

a)

CLONING

b)

gel electrophoresis

c)

chromatography

d)

use of a dichotomous key

156.

DNA is recovered from a suspected dead soldier. Which Parents are the likely parents of the soldier?

a)

Parents C and D

b)

Parents E and F

c)

Parents A and B

d)

Parents G and H

157.

Which male is the father of the child?

a)

Male 1

b)

Male 2

158.

What organelle produces ATP

a)

mitochondria

b)

Lysosome

c)

Cytoplasm

d)

Golgi Apparatus

159.

Traits are carried by

a)

carbohydrates

b)

DNA

c)

water

d)

fats

160.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
161.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
162.

Which macromolecule is used as our main source of energy?

a)

Lipids/Fats

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

163.

An enzyme is a ______________.

a)

carbohydrate

b)

lipid

c)

nucleic acid

d)

protein

164.
Carbohydrates are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
165.
Lipids are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
166.
Proteins are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
167.

What macromolecule is shown?

a)

Carbohydrate

b)

Nucleic Acid

c)

Protein

d)

Lipid

168.

What macromolecule is shown?

a)

Proteins

b)

Nucleic Acids

c)

Lipids

d)

Carbohydrates

169.

Which of the following is not one of the four major classes of macromolecules?

a)

Lipids

b)

Carbon

c)

Protein

d)

Carbohydrates

e)

Nucleic Acid

170.

Which of the following are examples of carbohydrates? (Select all that apply).

a)

Bread

b)

Pasta

c)

Olive Oil

d)

Cheese

171.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
172.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
173.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
174.

Nuts, butter, and waxes are examples of ____

a)

Nucleic Acids

b)

Lipids

c)

Proteins

d)

Carbohydrates

175.
Which factor denatures a enzyme?
a)
Excessive heat
b)
Nothing can
c)
Exposure to light
d)
Exposure to bacteria
176.
Important to the structural integrity of plant cells, this is the single most popular polysaccharide in the world.
a)
Starch
b)
Glycogen
c)
Cellulose
d)
Chitin
177.
The word saccharide means:
a)
sugar
b)
glucose
c)
sweetener
d)
carbohydrate
178.
The best definition of "organic" in Biology would be:
a)
 to be "fresh"
b)
to be alive
c)
to be chemical-free
d)
to contain Carbon and Hydrogen
179.
Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
180.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
181.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
182.
Mutations are a change in what?
a)
DNA
b)
tRNA
c)
genotype
d)
phenotype
183.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
184.

Before the industrial revolution the birds were eating more black moths. After the industrial revolution the birds started eating more white moths. Why

a)

The birds thought the white moths tasted better.

b)

There were not any black moths to eat

c)

The white moths stood out on the dark trees so the birds could see them easier.

185.

What was the variation in the Peppered Moth that affected their survival?

a)

Size

b)

Aggressiveness

c)

Color

d)

Species

186.

What is positive feedback in homeostasis?

a)

Positive feedback in homeostasis is a self-correcting mechanism that brings the body back to its normal range.

b)

Positive feedback in homeostasis is a mechanism that decreases the change or deviation from the normal range.

c)

Positive feedback in homeostasis is a mechanism that has no effect on the body's normal range.

d)

Positive feedback in homeostasis is a self-reinforcing mechanism that amplifies or increases the change or deviation from the normal range.

187.

Give an example of positive feedback in homeostasis.

a)

Shivering.

b)

Blood clotting.

c)

Sweating.

d)

Childbirth

188.

How does positive feedback affect the body's response to a stimulus?

a)

Inhibits

b)

Decreases

c)

Amplifies

d)

Neutralizes

189.

What is negative feedback in homeostasis?

a)

Regulatory mechanism that counteracts changes from the normal set point

b)

Process that has no effect on changes from the normal set point.

c)

Regulatory mechanism that promotes changes from the normal set point.

d)

Process that amplifies changes from the normal set point.

190.

Provide an example of negative feedback in homeostasis.

a)

Sweating

b)

Constriction of blood vessels

c)

Increased heart rate

d)

Shivering

191.

Explain how negative feedback helps maintain homeostasis.

a)

Negative feedback only occurs in certain body systems and does not contribute to overall homeostasis.

b)

Negative feedback counteracts changes and deviations from the desired set point to maintain homeostasis.

c)

Negative feedback has no effect on maintaining homeostasis.

d)

Negative feedback amplifies changes and deviations from the desired set point to maintain homeostasis.

192.

Describe the role of negative feedback in temperature regulation.

a)

Negative feedback in temperature regulation has no effect on body temperature.

b)

Negative feedback in temperature regulation causes changes in body temperature.

c)

Negative feedback in temperature regulation only occurs in extreme temperatures.

d)

Negative feedback in temperature regulation helps maintain homeostasis by counteracting changes in body temperature.

193.

What is homeostasis?

a)

the process of maintaining relatively stable internal conditions

b)

All the physical and chemical changes occurring in an organism

c)

the process of becoming bigger

d)

Movement of substances throughout the body

194.

When your glucose levels are too high, what is the appropriate response?

a)

urinate

b)

release glucagon

c)

eat sugar

d)

release insulin

195.

Which of the following correctly pairs the hormone and the response that it causes

a)

Glucagon - makes body cells take in glucose

b)

Insulin - makes body cells take in glucose

c)

Pancreas - makes liver release stored glucagon

d)

Liver - makes pancreas take in stored insulin

196.

Glucagon causes muscles and the liver to release _____ back into the bloodstream

a)

glucose

b)

glucagon

c)

glycogen

d)

insulin

197.

Which hormone is released when blood sugar gets too low?

a)

glucose

b)

glucagon

c)

glycogen

d)

insulin

198.

which organ will balance the glucose level in the blood by releasing hormones like insulin or glucagon?

a)

Stomach

b)

Small intensine

c)

large intestine

d)

Pancreas

199.

What is the point of a feedback loop?

a)

To provide the body with more energy

b)

To provide the body with more food

c)

To make sure the conditions in the body are always changing

d)

To make sure the conditions in the body remain stable

200.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
201.
The "effect" of a given stimulus is the...
a)
response
b)
stimulus
c)
cause
d)
result
202.
The "cause" for something to happen is the
a)
response
b)
effect
c)
stimulus
d)
homeostasis
203.
What type of feedback loop is shown?
a)
Positive
b)
Neutral
c)
Negative
204.
Failure to maintain homeostasis could result in:
a)
lack of internal balance
b)
eventual death
c)
difficulty carrying on metabolism 
d)
all three
205.

What do cells need glucose for?

a)

photosynthesis

b)

energy

c)

protein synthesis

d)

combustion

206.

Carries oxygen and nutrients to all parts of the body.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

207.

Allows movement in the body

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

208.

Receives stimuli and transports impulses, coordinates actions and reactions in the body

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

209.

Supports and provides structure for the body

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

210.

Supplies blood with oxygen and rids the body of carbon dioxide

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

211.
Which two human body systems are most responsible for getting oxygen to cells?
a)
digestive and skeletal
b)
skeletal and circulatory
c)
circulatory and respiratory
d)
respiratory and digestive
212.
Which body systems work together to allow the body to move?
a)
nervous and skeletal
b)
muscular and skeletal
c)
nervous and circulatory
d)
muscular and circulatory
213.
 What is the main function of the respiratory system?
a)
take in oxygen and exhale waste like carbon dioxide
b)
move nutrients throughout the body
c)
take in carbon dioxide and exhale oxygen
214.
Where does digestion start?
a)
stomach
b)
mouth
c)
esophagus
215.
 What is the main job of the digestive system? 
a)
break down foods into nutrients that can be used by the body
b)
take in oxygen and exhale waste like carbon dioxide
c)
pump blood throughout the body
d)
makes the body hungry

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