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Biology Unit 5 Review Problem Set

Total questions: 138

Worksheet time: 35hrs 30mins

Name
Class
Date
1.

Organism that makes its own food

a)

consumer

b)

producer

c)

decomposer

d)

predator

2.

Organism that eats other things for food

a)

consumer

b)

producer

c)

decomposer

d)

prey

3.

Passing of energy, in the form of food, from one organism to another

a)

food cycle

b)

food network

c)

food chain

d)

food system

4.

Overlapping food chains

a)

food cycle

b)

food network

c)

food system

d)

food web

5.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
6.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
7.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
8.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
9.
The image provided is an example of a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
10.
TRUE  or FALSE: Food webs are several food chains that are linked together.
a)
TRUE
b)
FALSE
11.
What does the arrow mean in a food chain or food web?
a)
An organism comes next
b)
Gets eaten by
c)
Go left
d)
Go right
12.

Identify the producer in the image above.

a)

Grass

b)

Grasshopper

c)

Frog

d)

Snake

e)

Eagle

13.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
14.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
15.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)

Breaking down dead things

16.

Which of these organisms would RECEIVE energy from the snake?

a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
17.
Humans are considered...
a)
consumers
b)
decomposers
c)
producers
18.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
19.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
20.
A community of living and nonliving things in their natural environment makes up a 
a)
food web
b)
ecosystem
c)
food chain
d)
population
21.
Which of the following is an example of an interaction between a living and nonliving organism?
a)
a snake using a mouse for food
b)
a worm using the soil as shelter
c)
a bird using an insect for food
22.

Biotic factors are...

a)

living things

b)

non-living things

c)

undead things

23.

Abiotic factors are...

a)

living things

b)

non-living things

c)

undead things

24.

Some examples of biotic factors would be

a)

trees

b)

insects

c)

bacteria

d)

all of the above

25.

Which of these is NOT an abiotic factor?

a)

water

b)

temperature

c)

grass

d)

soil

26.

Which of the following is an abiotic factor that plants depend on?

a)

seed-eating birds

b)

insect pollinators

c)

ants building their nests in trees

d)

nutrients in the soil

27.

Which of the following is a biotic factor?

a)

humans

b)

bridges

c)

roads

d)

water

28.

Which of the following is an abiotic factor that could be used for shelter?

a)

a tree

b)

a bush

c)

a bridge

d)

a field of corn

29.

What makes up an environment?

a)

only biotic factors

b)

only abiotic factors

c)

both biotic and abiotic factors

d)

neither biotic nor abiotic factors

30.

Which choice is an example of a relationship between an abiotic factor and a biotic factor?

a)

sun shining on a tree

b)

bacteria infecting an organism

c)

a lion eating a zebra

d)

a bird eating seeds

31.
Is the following factor Biotic or Abiotic?
Insects
a)
Biotic
b)
Abiotic
32.
Is the following factor Biotic or Abiotic?
Fallen Leaves
a)
Biotic
b)
Abiotic
33.
Is the following factor Biotic or Abiotic?
Temperature
a)
Biotic
b)
Abiotic
34.

Biotic or abiotic?

a)

Biotic

b)

Abiotic

35.

Biotic or abiotic?

a)

Biotic

b)

Abiotic

36.

Biotic or abiotic?

a)

Abiotic

b)

Biotic

37.
What are the biotic factors in this image?
a)
sunlight, elephants, and grasses
b)
sunlight, water,  and air
c)
elephants, plants, trees 
38.

Lizards and cacti are biotic factors in a desert ecosystem that would rely on which abiotic factors?

a)

insects and sun

b)

water and insects

c)

snakes and temperature

d)

water and soil

39.

The Greenhouse Effect __________________________.

a)

Traps all of the heat from the Sun

b)

Repels sunlight away from the atmosphere

c)

Traps some heat and releases some heat back to space

d)

only works in the summer months

40.

Melting glaciers are causing ___________ to rise around the world.

a)

Carbon Dioxide

b)

Greenhouse Effect

c)

greenhouse gases

d)

sea levels

41.

___________________ is the average long-term (30+ years) atmosphere conditions for a specific region. It includes temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds.

a)

Weather

b)

Climate

c)

Forecast

d)

Global Warming

42.

Ocean currents mix global waters due to winds, temperature, and density. This is called the _______________________.

a)

Global Conveyor Belt

b)

Coriolis Effect

c)

Surface and Deep Currents

d)

shaken, not stirred

43.

Ice Core samples taken over the past 60+ years show an increase in:

a)

Oxygen (O2)

b)

Carbon Dioxide (CO2)

c)

Dihydrogen Oxide (H2O)

d)

Homework

44.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
45.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
46.
Melting of glaciers and polar ice caps....
a)
will result in cooler temperatures in the Arctic
b)
will result in sea-levels rising
c)
Will have no effect on ecosystems
d)
None of the above
47.
What is the definition of weather?
a)
a period of abnormally dry weather that lasts at least 2 years
b)
the specific condition of the atmosphere at a particular place and time
c)
a complex community of organisms and the community's environment
d)
a release of toxic gas
48.
What is the average weather for a particular time and region called?
a)
drought
b)
weather
c)
emissions
d)
climate
49.
The warming of the atmosphere by the trapping of heat being radiated to space is called
a)
evaporation
b)
condensation
c)
the greenhouse effect
d)
radiation
50.
Increasing quantities of CO2 (Carbon Dioxide) in the atmosphere will cause air temperatures to be _____. 
a)
warmer
b)
cooler
51.
Climate change causes extreme weather conditions such as:
a)
Flooding
b)
Heat Waves
c)
Hurricanes
d)
All of the above
52.
The graph below shows CO2 emissions and temperatures from 1909 to 1949.  What conclusion is best supported by the graph?
a)
There is no relationship between carbon dioxide concentrations and temperatures
b)
As carbon dioxide concentrations increase, temperatures increase
c)
As carbon dioxide concentrations increase, temperatures decrease
d)
As carbon dioxide concentrations decrease, temperatures increase
53.
Without any greenhouse effect the Earth would be...
a)
Fine
b)
Too Cold to Support Life
c)
Very Hot
54.
Consequences of climate change include:
a)
Stronger hurricanes
b)
Increased flooding
c)
Frequent droughts
d)
All of the above
55.

How does the Earth keep itself warm?

a)

Sunlight keeps the Earth warm.

b)

There are heat lamps orbitting above the Earth's atmosphere.

c)

The greenhouse gases trap the warm air and send it back to the Earth's surface.

56.

The graph shows us that

a)

the earth temperature is always increasing

b)

the earth's temperature has steadily increased since 1900

c)

the earth's temperature has steadily rising since the 1960s

d)

the earth's temperature decreased during the 19th and 20th centuries

57.

"Greenhouse gases trap heat in the atmosphere."


The text describes the effect of greenhouse gases on the Earth. What effect do these gases have on the Earth?

a)

These gases cool the surface of the Earth and help it stay at a comfortable temperature

b)

These gases clean the surface of the Earth and lower the amount of pollution on the ground

c)

These gases freeze the surface of the Earth and help create icebergs in different parts of the ocean

d)

These gases warm the surface of the Earth and help it stay at a comfortable, warm average temperature

58.

TRUE or FALSE? Invasive species grow quickly due to the lack of predators. This leads to a decline or extinction of the native population.

a)

True

b)

False

59.
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
60.

The primary cause of the introduction of invasive species introduction is ---

a)

too much food.

b)

human action.

c)

weather events.

d)

asteroids.

61.

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

a)

Native Species.

b)

Accidental Species.

c)

Introduced Species.

d)

Invasive Species.

62.

A species form that supports the balance in the entire ecosystem.

a)

Keystone Species

b)

Herbivores

c)

Umbrella Species

d)

Predators

63.

A life form that affects an entire ecosystem.

a)

Keystone Species

b)

Herbivores

c)

Umbrella Species

d)

herbivore

64.

Biodiversity, refers to

a)

the same species in a general location

b)

the number of different species in a given area

c)

the number of animal species in a given area

d)

the number of plant species in a given area

65.

TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally/

a)

True

b)

False

66.

TRUE or FALSE? Invasive species can be introduced to an ecosystem intentionally (on purpose).

a)

True

b)

False

67.

Invasive species alter the ecosystem by _____ in number quickly. This leads to _____ food for the native species.

a)

increasing, less

b)

increasing, more

c)

decreasing, less

d)

decreasing, more

68.

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

69.

Why are bees considered a keystone species?

a)

The honey they make supports the bear population

b)

They pollinate flowers that produce fruit which supports the ecosystem

c)

They sting when threatened

d)

They live in hives

70.
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
71.
Study the graph. Based on the data shown, rainbow smelt are a/an _____________.
a)
invasive species
b)
keystone species
c)
symbiotic species
d)
not enough information to tell
72.

in 1995 Wolves were reintroduced to Yellowstone National Park. Which answer below most accurately describes a possible trophic cascade the could result from the reintroduction of wolves?

a)

wolves reintroduced-> deer population increased -> tree and vegetation cover decreased

b)

wolves reintroduced-> beaver population decreased -> tree and vegetation cover increased

c)

wolves reintroduced-> deer population decreased -> tree and vegetation cover increased -> beaver population increased

d)

wolves reintroduced-> deer population decreased -> beaver population decreased -> songbird population increased

73.

What makes a species invasive?

a)

Moving to a new ecosystem and taking resources from natives

b)

Not having papers

c)

Species that can't adapt

d)

Plants that take up too much space

74.

Why do the populations of invasive species grow so quickly?

a)

Invasive Species are native to an area.

b)

Invasive species are prey to many animals.

c)

Invasive species have fewer limiting factors in their new environment

d)

Invasive species keep the ecosystems in equilibrium.

75.
Why do the populations of invasive species grow so quickly? 
a)
invasive species require more energy than other organisms
b)
invasive species are prey to many animals.
c)
invasive species have no natural predators.
d)
invasive species keep the ecosystems in equilibrium.
76.
Invasive species are only animals.
a)
True
b)
False
77.
Invasive species have a negative impact on...
a)
the ecosystem
b)
the economy
c)
Both the ecosystem and the economy
d)
None of these
78.
Based on the graph shown, zebra mussels are a/an _____________.
a)
invasive species
b)
keystone species
c)
not enough information to tell
d)
native species
79.
How can you tell that Zebra Mussles are an invasive species from the graph shown?
a)
The population of rotifers goes up after zebra mussels they are introduced.
b)
The population of rotifers goes down after zebra mussels are introduced.
c)
The population of rotifers stays about the same after zebra mussels are introduced.
d)
The population of zebra mussels goes down after they are introduced.
80.

Why was the songbird population reduced by the presence of too many elk in Yellowstone?

a)

Elk ate young trees, so birds had fewer places to nest.

b)

Elk ate too many songbirds.

c)

Wolves at songbirds when no elk were available.

81.

Explain why the population of elk built up.

a)

There were just a lot of them and so they reproduced quickly.

b)

There was lots of food for the elk in the park so they reproduced well.

c)

There was no natural predator to hunt them so they became over populated.

d)

No one is actually sure why this happened.

82.

What happened to the vegetation because of the elk population?

a)

The elk ate it all, They reduced the vegetation to almost nothing, or they devoured it, leaving it bare.

b)

Nothing at all. the vegetation just grew as normal.

c)

A drought actually caused the vegetation to die and the elk trampled what was left.

d)

The elk ate some of it but lots of the vegetation remained.

83.

This is buffelgrass. Why is it considered invasive to the Sonoran Desert ecosystem?

a)

It outcompetes native plants for space and nutrients

b)

It causes harm to the ecosystem

c)

Its very flammable and is fuel for wildfires

d)

All are reasons why buffelgrass is invasive

84.

Why is buffelgrass so successful in the Sonoran Desert?

a)

They produce a lot of seeds that can be carried by wind

b)

They are adapted to fire (re-grow quickly after being burned)

c)

Outcompete native plants for space and nutrients

d)

All are reasons

85.

Why are American bullfrogs considered invasive species in the Sonoran Desert?

a)

They are non-native

b)

They disrupt the local ecosystem with no natural predators

c)

They carry pathogens (fungus sickness) that native frogs are not immune to

d)

All are reasons

86.

Why are American bullfrogs so successful in the Sonoran Desert

a)

No natural predators (nothing really eats them)

b)

They reproduce more than native frogs (up to 20,000 eggs compared to 2-3000 eggs)

c)

They prey on almost anything they can fit in their mouths

d)

All are reasons

87.

Saguaro cacti are a keystone species in the Sonoran Desert. What would happen to the ecosystem if the saguaro cacti are removed?

a)

The whole ecosystem will be disrupted

b)

People will just plant more saguaros

c)

Nothing will happen

88.
What is the source of energy for photosynthesis?
a)
carbohydrates-chemical
b)
sunlight-radiant
c)
heat-thermal
d)
television-electrical
89.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
90.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
91.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
92.
What are the products (what's made) during photosynthesis?
a)
glucose and oxygen
b)
water, light, and carbon dioxide
93.
In which organelle (part of the cell) does photosynthesis take place?
a)
mitochondria
b)
chloroplast
c)
nucleus
d)
cell membrane
94.

Which of the following equations represents the overall chemical reaction for photosynthesis?

a)

6O2+ 6H2O → C6H12O6+ 6O2

b)

C6H12O6 + 6H2O→ 6O2+ 6O2

c)

6CO2+ 6H2O→ C6H12O6+ 6O2

d)

6O2 + 6H2O→ C6H12O6 + 6CO2

95.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
96.

How is matter transformed (or re-used) in photsynthesis?

a)

The same atoms that make up the carbon dioxide and water molecules are re-used (transformed) to produce glucose and oxygen

b)

Matter is transformed when completely new atoms are created during photosynthesis

c)

Matter is not transformed at all during photosynthesis

d)

None of the above

97.
The process of converting sunlight energy into chemical energy stored in a molecule is called
a)
Cellular respiration
b)
Photosynthesis
c)
Mitochondria
d)
Carbon dioxide
98.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
99.
Which sentence correctly describes photosynthesis. (assume there is enough sunlight)
a)
CO2 and water combine and make O2 and glucose
b)
O2 and water combine to make glucose and CO2
c)
O2 and CO2 combine to make water and glucose
d)
CO2 and glucose combine to make O2 and water
100.

TRUE OR FALSE: Animal cells can perform photosynthesis to generate their own food.

a)

True

b)

False

101.

Which cell organelle do plants and other producers have that animals do not? Hint: this organelle is the location of photosynthesis

a)

Mitochondria

b)

Nucleus

c)

Ribosomes

d)

Chloroplasts

102.
Cellular respiration is...
a)
the process by which cells break down glucose into energy. 
b)
the process by which cells break light down into energy. 
c)
the process by which cells communicate with other cells. 
103.
Cellular respiration occurs in 
a)
chloroplasts 
b)
mitochondria
c)
golgi aparatus 
d)
thylakoid 
104.
Organisms that make energy from the sun are called..
a)
hetertrophs 
b)
autotrophs 
c)
carbohydrates 
d)
consumer 
105.
Organisms that obtain energy from other organisms..
a)
autotroph
b)
ATP
c)
photosynthesis
d)
heterotroph
106.

In what molecule is the energy carried in cells?

a)

Glucose

b)

Oxygen

c)

ATP

d)

Carbon Dioxide

107.

Does cellular respiration store or release energy?

a)

Store

b)

Release

108.
The purpose of cellular respiration is to
a)
make glucose
b)
break glucose
c)
capture the energy in sunlight
d)
change carbon dioxide
109.
The purpose of photosynthesis is ...
a)
to make glucose
b)
to break glucose
c)
to capture energy from the sun
d)
to change carbon dioxide
110.
What is the organelle that contains the chlorophyll used in photosynthesis ?
a)
mitochondria
b)
ribosome
c)
chloroplast
d)
nucleus
111.
How are photosynthesis and cellular respiration related?
a)
They have opposite equations
b)
they have the same equation
c)
they both produce carbon dioxide
d)
they both produce oxygen
112.
This is the equation for...
a)
photosynthesis
b)
cellular respiration
113.

This is the equation is for? 6Co2 + 6H2O ----> C6 H12 O6 6O2

a)

photosynthesis

b)

cellular respiration

114.
ATP is...
a)
A form of energy the cell can use that is produced by cellular respiration
b)
A kind of sugar produced in photosynthesis
c)
A battery
115.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
116.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
117.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Ribosomes

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

118.
Please select who performs cellular respiration: 
a)
Animals 
b)
Both animals and plants 
c)
plants 
119.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
120.

Which statement below is CORRECT?

a)

Plants only perform photosynthesis.

b)

Plants only perform cellular respiration.

c)

Plants perform both photosynthesis and cellular respiration.

121.

Which statement below is CORRECT?

a)

Animals only perform photosynthesis.

b)

Animals only perform cellular respiration.

c)

Animals perform both photosynthesis and cellular respiration.

122.

What are the REACTANTS of CELLULAR RESPIRATION?

a)

ATP

b)

Carbon dioxide

c)

Glucose

d)

Oxygen

e)

Water

123.

What are the REACTANTS for PHOTOSYNTHESIS?

a)

ATP

b)

Carbon dioxide

c)

Glucose

d)

Sunlight

e)

Water

124.

What are the PRODUCTS of PHOTOSYNTHESIS?

a)

ATP

b)

Carbon dioxide

c)

Glucose

d)

Oxygen

e)

Water

125.

What are the PRODUCTS of CELLULAR RESPIRATION?

a)

ATP

b)

Carbon dioxide

c)

Glucose

d)

Oxygen

e)

Water

126.

What process is represented by this chemical equation?

a)

Cellular Respiration

b)

Photosynthesis

127.

Where does this process occur in the cell?

a)

Chloroplast

b)

Mitochondria

c)

Nucleus

d)

Ribosome

128.

What process is represented by this chemical equation?

a)

Cellular Respiration

b)

Photosynthesis

129.

Where does this process occur in the cell?

a)

Chloroplast

b)

Mitochondria

c)

Nucleus

d)

Ribosome

130.

Glucose has 6 Carbon atoms. Based on the equation for photosynthesis, where did glucose get its carbon atoms from?

a)

Water

b)

Oxygen

c)

ATP

d)

Carbon dioxide

131.

Which chemical provides energy for all cellular processes?

a)

Water

b)

Oxygen

c)

ATP

d)

Carbon dioxide

132.

Glucose is needed by all living things to carry out cellular respiration.

What is the exact role of glucose?

a)

Glucose absorbs sunlight to create ATP.

b)

Glucose is not really needed, any sugar will work.

c)

Glucose is the primary source of energy for making ATP.

133.

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 uses carbon dioxide, while cellular respiration produces carbon dioxide.

134.
The waste gas given off by cellular respiration is?
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
methane
135.

If a single-celled organism that uses photosynthesis has its source of light removed, it will

a)

divide repeatedly.

b)

produce less energy.

c)

grow in size.

d)

generate more waste.

136.
Which is a substance needed by plants in order to complete photosynthesis?
a)
CO2
b)
Glucose 
c)
O2
d)
Electron Transport chain
137.
What is the main product of photosynthesis
a)
Sugar (Glucose) 
b)
Carbon dioxide 
c)
Water 
d)
Sunlight
138.
Plants use carbon to make glucose and their cellulose cell walls. Where do they get the Carbon atoms from? 
a)
The atmosphere 
b)
The soil 
c)
Water

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