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Unit 1 Review!

Total questions: 100

Worksheet time: 56mins

Name
Class
Date
1.

Which biome is characterized by high temperatures, high humidity, and heavy rainfall throughout the year?

a)

Tropical Rainforest

b)

Tundra

c)

Grassland

d)

Desert

2.

Which biome is characterized by extreme temperatures, low precipitation, and sparse vegetation?

a)

temperate deciduous forest biome

b)

tropical rainforest biome

c)

desert biome

d)

tundra biome

3.

Which biome is characterized by vast open spaces, moderate temperatures, and a mix of grasses and herbs?

a)

Tundra

b)

Rainforest

c)

Grassland

d)

Desert

4.

Which biome is characterized by extremely cold temperatures, low precipitation, and permafrost?

a)

desert

b)

rainforest

c)

tundra

d)

grassland

5.

Which biome is characterized by moderate temperatures, moderate precipitation, and a mix of deciduous trees?

a)

Tropical Rainforest

b)

Desert

c)

Tundra

d)

Temperate Deciduous Forest

6.

Which biome is known as the 'lungs of the Earth' due to its high levels of oxygen production?

a)

Sahara Desert

b)

Arctic Tundra

c)

Great Barrier Reef

d)

Amazon Rainforest

7.

Which biome is home to animals such as camels, scorpions, and cacti?

a)

grassland biome

b)

rainforest biome

c)

tundra biome

d)

desert biome

8.

Which biome is known for its vast herds of grazing animals like zebras and wildebeests?

a)

tundra

b)

savanna

c)

rainforest

d)

desert

9.

Which biome is home to animals such as polar bears, Arctic foxes, and reindeer?

a)

Grassland biome

b)

Desert biome

c)

Arctic biome

d)

Tropical rainforest biome

10.

Which biome is known for its colorful autumn foliage and diverse range of tree species?

a)

tropical rainforest

b)

desert

c)

taiga

d)

temperate deciduous forest

11.
What are the two main groups of aquatic biomes?
a)
saltwater and freshwater
b)
marine and freshwater
c)
marine and estuarine
d)
oligotrophic and eutrophic
12.
Which of these is NOT a marine biome?
a)
open ocean
b)
deep ocean floor
c)
seashore
d)
wetlands
13.
Which of these is NOT a freshwater biome?
a)
coral reef
b)
flowing water
c)
wetlands
d)
ponds and lakes
14.
What do you call the non-living parts of an environment?
a)
biotic
b)
abiotic
c)
biome
d)
aquatic
15.
What do you call the living things that shape an environment?
a)
biotic
b)
abiotic
c)
biome
d)
aquatic
16.
Aquatic food webs begin with what?
a)
krill
b)
zooplankton
c)
phytoplankton
d)
plankton
17.
Plankton that make food by photosynthesis are called what?
a)
krill
b)
zooplankton
c)
phytoplankton
d)
plankton
18.
Plankton that are more animal in nature are called what?
a)
krill
b)
zooplankton
c)
phytoplankton
d)
plankton
19.
What is the fast moving part of a river or stream that has high oxygen but low nutrients?
a)
Transition Zone
b)
Floodplain Zone
c)
Source Zone
d)
End Zone
20.
What do you call the part of a river or stream where the water speed slows down?
a)
Transition Zone
b)
Floodplain Zone
c)
Source Zone
d)
End Zone
21.
What is the part of a river or stream where the water is muddy and rich in nutrients?
a)
Transition Zone
b)
Floodplain Zone
c)
Source Zone
d)
End Zone
22.
If the end of a river or stream overflows, what is that area called?
a)
pond
b)
beach
c)
gulf
d)
wetlands
23.
What does NOT produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
24.
Combustion is another word for __________.
a)
Transportation
b)
Respiration
c)
Fossil Fuels
d)
Burning
25.
TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.
a)
True
b)
False
26.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
27.
Carbon can be found in...
a)
The atmosphere
b)
Soil
c)
Fossil fuels
d)
All of the above
28.
Respiration is the process by which animals take in _____ and release _____. 
a)
photosynthesis, air
b)
carbon, oxygen
c)
oxygen
d)
oxygen, carbon dioxide
29.
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 and other greenhouse gases in the atmosphere
d)
higher levels of oxygen in the atmosphere
30.

How do animals get carbon?

a)

By eating plants and or other animals.

b)

They absorb it from the atmosphere.

c)

From the ground

d)

They do not get carbon from anywhere.

31.

What are fossil fuels made from?

a)

Plants and animals that are buried underground for millions of years.

b)

They absorb it from the atmosphere.

c)

Water

d)

Wind

32.
When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
33.

Which is a true statement?

a)

Humans depend on oxygen, plants depend on carbon dioxide

b)

Plants produce carbon dioxide

c)

Humans depend on carbon dioxide, plants depend on oxygen

d)

Humans don't depend on plants for the air they need

34.

Which of the following is true about the greenhouse effect? you can choose more than one

a)

It is a natural process

b)

It is caused by gasses trap heat from infrared radiation

c)

It makes life on Earth possible

d)

It is the cause of global warming

35.
How does the law of conservation of energy relates to photosynthesis?
a)
The energy from glucose is transform into light energy
b)
Light energy from the sun is converted into chemical energy in glucose 
c)
Energy from carbon dioxide is converted into chemical energy in Oxygen
d)
All other answers are correct
36.
What is the role of decomposers in an Ecosystem? 
a)
They recycle matter and nutrients to form fossil fuels
b)
They are burn and release as carbon dioxide
c)
Decomposers are responsible to turn oxygen into carbon dioxide
d)
They recycle energy back to the sun
37.
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
38.
Carbon dioxide is created by 
a)
Burning fossil fuels 
b)
Cellular respiration
c)
Decomposing organic matter
d)
All answers are correct
39.

Organisms need nitrogen in order to...

a)

To breathe

b)

To obtain water for growth

c)

To build proteins & DNA

d)

To regulate temperature

40.

Gas that makes up 78% of our atmosphere.

a)

Oxygen

b)

Nitrogen

c)

Hydrogen

d)

Carbon Dioxide

41.

Based on the picture, what is the chemical formula for atmospheric nitrogen?

a)

N

b)

N2

c)

NH3

d)

NO3

42.
Plants and animals cannot use nitrogen directly from the air.
a)
True
b)
False
43.

Bacteria fix nitrogen from the atmosphere into a form plants can use.

a)

True

b)

False

44.

How do animals get the nitrogen they need?

a)

From the air they breathe

b)

From the water they drink

c)

From the food they eat

d)

From the sun

45.

How does fertilizer affect the ecosystem?

a)

the bacteria reproduce quicker

b)

causes increase in rain, thereby increasing flooding of ponds and lakes

c)

create large algae blooms in the water

d)

cause the nitrogen fixing bacteria in the soil to be more productive

46.

This is NOT a part of the phosphorus cycle.

a)

Phosphate is incorporated into sedimentary rocks

b)

Phosphate bound to soil

c)

Atmospheric phosphate

d)

Phosphate is absorbed from the soil by plants

47.
Phosphorous is passed from plants to ____ who eat them
a)
plants
b)
animals
c)
scavengers
48.
_____ brings phosphorous into our waterways. .
a)
precipitation
b)
runoff
c)
transpiration
d)
condensation
49.
Which of the following statements is true of the phosphorus cycle?
a)
Phosphorus enters the atmosphere as phosphates.
b)
The phosphorus cycle utilizes the processes of erosion, and weathering.
c)
Phosphates are used in carbohydrate and glucose storage.
d)
The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.
50.
What role do decomposers play in the phosphorous cycle?
a)
absorb phosphorous 
b)
release phosphorous into atmosphere
c)
return phosphorous into the soil
d)
combustion
51.
This is released by the weathering of rocks.
a)
Carbon
b)
Oxygen
c)
Phosphorus
d)
Nitrogen
52.
Gas to Liquid; gas gets colder and changes back to liquid , forming clouds
a)
condensation
b)
evaporation
c)
precipitation
d)
transpiration
53.
Any form of water that falls from clouds and reaches Earth's surface like hail, snow, sleet, rain;clouds get heavy and the air cannot hold it any longer.
a)
precipitation
b)
transpiration
c)
condensation
d)
clouds
54.
causes evaporation
a)
shaking water
b)
rain
c)
Monster drinks
d)
energy from the Sun or heat
55.
The temperature at which air must cool to be complete saturated with water and clouds or dew to form
a)
cold
b)
dew point
c)
vapor
d)
condensation
56.
Plant roots pull water out of the ground
a)
groundwater
b)
root uptake
c)
dew point
d)
aquifer
57.
The change of a liquid to a gas; the sun heats energy up and turns water into vapor (gas)
a)
evaporation
b)
vapor
c)
precipitation
d)
condensation
58.
Permeable, can go through, earth materials that collect and store water.
a)
aquifer
b)
hydro
c)
vapor
d)
door
59.
water
a)
drink
b)
hydro
c)
carbon
d)
atom
60.
The cycle through which water in the hydrosphere moves; includes such processes as evaporation, condensation, and precipitation.
a)
Rock Cycle
b)
Circulatory System
c)
Bicycle
d)
Water Cycle
61.

Plants and other organisms that form the base of a food chain or food web by harnessing energy from the sun are called...

a)

Consumers

b)

Decomposers

c)

Predators

d)

Producers

62.

In the energy pyramid pictured here, which organism has the LEAST amount of energy available to it?

a)

Producer

b)

Herbivore

c)

Carnivore

d)

Top Predator

63.

In the energy pyramid pictured here, if the producers generate 100 units of energy, how much of that energy would be passed on to the herbivores?

a)

100 units

b)

50 units

c)

10 units

d)

1 unit

64.

In the food chain pictured here, which of the following is a herbivore?

a)

Hawk

b)

Frog

c)

Grasshopper

d)

Fungi

65.

What is a trophic level?

Each level represented within a food chain or web.

a)

Levels of ecosystems that the world is divided into.

b)

Different levels of nutrients present within an organism.

c)

The levels of sunlight an autotroph needs to survive.

d)

Each level represented within a food chain or web.

66.

An organism that lives by breaking apart dead organic matter into simpler parts is...

a)

scavenger

b)

consumer

c)

decomposer

d)

producer

67.

A group of organisms of the same species who live in the same area

a)

biome

b)

ecosystem

c)

community

d)

population

68.

The scientific study of interactions among organisms and between organisms and their environment

a)

Ecology

b)

mutualism

c)

Energy pyramid

d)

Food web

69.

An organism that needs to eat other animals to obtain energy is known as a:

a)

herbivore

b)

producer

c)

consumer

d)

carnivore

70.

By what process do leaves harness their energy?

a)

cellular respiration

b)

photosynthesis

c)

metabolism

d)

chemosynthesis

71.

The arrows in a food chain or web represents what?

a)

The 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.

72.

Which of the following can be regarded as secondary consumers? Mark all that apply

a)

Wildflowers

b)

Rabbit

c)

Mouse

d)

Snake

e)

Hawk

73.

What do the arrows in the food web represent? Mark all that apply

a)

The trophic level

b)

Transfer of energy

c)

Transfer of matter

d)

The feeding level

e)

The amount of energy available

74.

How much energy is transferred from one trophic level to the next? For example, how much energy is transferred from plants to herbivores.

a)

0%

b)

1%

c)

50%

d)

10%

e)

100%

75.

Plants are…Mark all that apply

a)

Autotrophs

b)

Heterotrophs

c)

Decomposers

d)

Consumers

e)

Producers

76.

What is the ultimate source of energy for most ecosystems?

a)

The moon

b)

The producers

c)

The autotrophs

d)

The sun

e)

The decomposers

77.

Rabbits and mice have the same habitat and the same niche. What kind of community interaction do the rabbits and mice display?

a)

Symbiosis

b)

Mutualism

c)

Commensalism

d)

Competition

78.

Which organism from the food web can occupy more than one trophic level?

a)

Mouse

b)

Rabbit

c)

Snake

d)

Hawk

e)

Wildflower

79.

If the wildflowers have 8452 kcal of energy, how many kcal of energy is available to the snake?

a)

8452

b)

845.2

c)

84.52

d)

8.452

e)

0.8452

80.

Which of the following terms encompasses all of the others?

a)

Hetertroph

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

e)

Decomposer

81.

The following food chain exists in a marine ecosystem: phytoplankton→zooplankton→Fish. If seals that eat fish are added to the ecosystem, what would happen to the phytoplankton population?

a)

The phytoplankton population would increase

b)

The phytoplankton population would decrease

c)

The phytoplankton population would remain the same

d)

The phytoplankton population would become extinct

82.

What do organisms do with the energy they consume? Mark all that apply

a)

they use some of the energy to grow and develop

b)

they use some of the energy to maintain normal life processes

c)

they use some of the energy to reproduce

d)

They use some of the energy to make new cells

83.

Which of the following is incorrectly matched?

a)

Producer - autotroph

b)

Consumer - heterotroph

c)

Primary consumer - producer

d)

Secondary consumer - omnivore

e)

Tertiary consumer - carnivore

84.

What are ecosystems?

a)

Communities of living organisms and their interactions with their environment.

b)

The study of rocks and minerals.

c)

Groups of animals that live together in a specific area.

d)

The process of converting sunlight into energy.

85.

What are ecosystems?

a)

Communities of living organisms and their interactions with their environment.

b)

The study of rocks and minerals.

c)

Groups of animals that live together in a specific area.

d)

The process of converting sunlight into energy.

86.

What is biodiversity?

a)

The study of ecosystems and their interactions.

b)

Different species of animals and plants.

c)

Variety of life forms

d)

The number of individuals in a population.

87.

Explain island biodiversity.

a)

Island biodiversity refers to the number of people living on an island.

b)

Island biodiversity refers to the geological features of an island.

c)

Island biodiversity refers to the weather patterns on an island.

d)

Island biodiversity refers to the variety of plant and animal species found on an island.

88.

What is primary succession?

a)

The process of ecological succession that occurs in an area that has been previously colonized but has been disturbed or destroyed.

b)

The process of ecological succession that occurs in an area that has a high biodiversity.

c)

The process of ecological succession that occurs in an area that has never been colonized before.

d)

The process of ecological succession that occurs in an area that has a low nutrient content.

89.

How are ecosystems formed?

a)

Ecosystems are formed through geological processes.

b)

Ecosystems are formed through human intervention.

c)

Ecosystems are formed through random chance.

d)

Ecosystems are formed through ecological succession.

90.

What is population growth?

a)

Decrease in the number of individuals in a population over time.

b)

The average number of individuals in a population.

c)

The movement of individuals from one population to another.

d)

Increase in the number of individuals in a population over time.

91.

What is population growth?

a)

Decrease in the number of individuals in a population over time.

b)

The average number of individuals in a population.

c)

The movement of individuals from one population to another.

d)

Increase in the number of individuals in a population over time.

92.

Define population distribution.

a)

The number of people in a given area or region.

b)

The average age of people in a given area or region.

c)

The number of males and females in a given area or region.

d)

Pattern or spread of people in a given area or region.

93.

What is population density?

a)

Population density is the number of individuals per unit area or volume.

b)

Population density is the average age of a population.

c)

Population density is the number of individuals per unit time.

d)

Population density is the total number of individuals in a population.

94.

Explain carrying capacity.

a)

The minimum number of individuals an environment can support sustainably.

b)

The average number of individuals an environment can support sustainably.

c)

The maximum number of individuals an environment can support unsustainably.

d)

Maximum number of individuals an environment can support sustainably.

95.

What are population dynamics?

a)

The study of how individuals within a population interact with each other.

b)

The study of how populations of organisms remain constant over time.

c)

The study of how populations of organisms change due to external factors.

d)

The study of how populations of organisms change over time.

96.

What factors contribute to population growth?

a)

emigration, decreased birth rate, natural disasters

b)

birth rate, immigration, improved healthcare

97.

How does population distribution affect ecosystems?

a)

Population distribution only affects the physical environment of ecosystems.

b)

Population distribution affects ecosystems by determining the availability of resources, competition for those resources, and the overall balance of species within the ecosystem.

c)

Population distribution has no impact on ecosystems.

d)

Population distribution only affects the behavior of individual organisms within ecosystems.

98.

What are the different methods used to calculate population density?

a)

Multiplying the total population by the total land area

b)

Adding the total population and the total land area

c)

Subtracting the total population from the total land area

d)

Dividing the total population by the total land area, dividing the total population by the total number of households, and dividing the total population by the total area of a specific region.

99.

Discuss the concept of carrying capacity in relation to resource availability.

a)

Carrying capacity is the average number of individuals of a species that an environment can sustainably support given the available resources.

b)

Carrying capacity is the maximum number of individuals of a species that an environment can sustainably support given the available resources.

c)

Carrying capacity is the maximum number of individuals of a species that an environment can support regardless of the available resources.

d)

Carrying capacity is the minimum number of individuals of a species that an environment can sustainably support given the available resources.

100.

How do population dynamics impact biodiversity?

a)

Population dynamics have no impact on biodiversity.

b)

Biodiversity is solely determined by external factors and not influenced by population dynamics.

c)

Population dynamics only impact the size of individual species, not overall biodiversity.

d)

Population dynamics impact biodiversity by influencing the abundance and distribution of species within an ecosystem.

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