Free Printable Ecosystem Quiz

1.

True or false ecosystems only hold one species of animal

a)

True

b)

False

2.

hot, humid forests with much rainfall

a)

grassland

b)

terrestrial ecosystems

c)

tropical rainforest

d)

biodiversity

3.

An ecosystem that is found on land.

a)

terrestrial ecosystems

b)

grassland

c)

tropical rainforest

d)

deciduous forest

4.

The variety of different life forms in an ecosystem.

a)

biomes

b)

deciduous forest

c)

biodiversity

d)

grassland

5.

What are plants called in a food chain?

a)

Producers

b)

Consumers

c)

Decomposers

d)

Scavengers

6.

Where does the energy start in this food chain?

a)

Plant

b)

Sun

c)

Deer

d)

Wolf

7.

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 stuff

8.

What is the role of decomposers in a food chain?

a)

Use sunlight to make food

b)

Eat other organisms to gain energy

c)

Make the food for the whole food chain

d)

Break down dead organisms and add nutrients to the soil

9.

Which of the following is a producer?

a)

Maple tree

b)

Sunfish

c)

Bunny

d)

Bear

e)

Fish

10.

True or false:

Herbivores eat producers

a)

True

b)

False

11.

What will happen if there is an increase in consumers?

a)

An increase in consumers

b)

A decrease in producer

c)

None above

12.

What is missing from this food web? (two possible answers)

a)

Sun

b)

Decomposer

c)

Producer

d)

Primary Consumer

13.

The place or environment where a plant or animal naturally or normally grows is called _____.

a)

Electron

b)

Herbivore

c)

Habitat

d)

Enviroment

14.

What is an example of something that is harmful to the environment?

a)

wearing sunglasses

b)

cutting down trees

c)

planting flowers

d)

drawing on the sidewalk with chalk

15.

Which of the following can affect living organisms in an ecosystem?

a)

Global warming

b)

Extinction of a key species

c)

Introduction of a new species

d)

All of the above

16.

makes their own food; starts a food chain

a)

consumer

b)

animal

c)

herbivore

d)

producer

17.

Two characteristics of life are ______ and _________.

a)

they never need energy

b)

they are made of cells

c)

they grow and develop

d)

they have very different chemicals making up their body

18.

Choose all of the following that would be biotic factors in the picture

a)

fish

b)

ducks

c)

water

d)

plants

19.

Two examples of an abiotic factor are _______ and ______.

a)

mountains

b)

worms

c)

mushrooms

d)

sand

20.

3. Cyanobacteria also known as blue-green algae, are a kind of bacteria found in many lakes. These organisms make their own food through photosynthesis. Small animals, including mayfly larvae, eat the cyanobacteria. Small fish, such as yellow perch, eat the mayfly larvae. The small fish provide food for larger fish, such as Walley. Choose the level of the food pyramid that represents the energy role of cyanobacteria in the lake ecosystem.

a)

Level 1

b)

Level 2

c)

Level 3

d)

Level 4

21.

Aluminum can be found only in the ____________.

a)

atmosphere

b)

living organisms

c)

crust

d)

ocean

22.

1. Banana slugs live on the ground in moist forests of the Pacific Northwest. They consume and break down a variety of materials, including small dead animals and rotting leaves. Which term describes banana slugs?

a)

Carnivores

b)

consumers

c)

Decomposers

d)

Producers

23.

Mosquito larvae and pond water are ___________

a)

biotic

b)

abiotic

c)

both biotic and abiotic

24.

7. In a prairie ecosystem, nitrogen and other matter builds up in animal wastes. Which organism RETURNS this matter to the ecosystem by breaking down wastes?

a)

Producer

b)

Decomposer

c)

Primary Consumer

d)

Secondary Consumer

25.

Select the energy role that the organisms is performing with in its ecosystem. Alligator in a swamp feed on other animals

a)

Consumer

b)

Decomposer

c)

Producer

d)

Food Web

26.

Nonliving things found in an ecosystem.

a)

factories

b)

factor trees

c)

biotic factors

d)

abiotic factors

27.

A group of the same type of organisms living in the same place at the same time.

a)

threatened species

b)

populations

c)

community

d)

limiting factor

28.

6. Groundhogs inhabiting a meadow environment drink water and rely on plants, including clover for food. Which of the following terms describe BOTH the water and the clover that the groundhogs consume?

a)

Limiting Factors

b)

Decomposition

c)

Rainbows

d)

Resources

29.

The diagram below shows a plant growing near a window.

How can the plant's reaction BEST be described?

a)

as condensation

b)

as transpiration

c)

as dormancy

d)

as tropism

30.

An ecosystem is made up of _______ and ________ things.

a)

Living and nonliving

b)

Alive and dead

c)

Plants and animals

d)

Land and water

31.

Limiting factors cause the size of populations to

a)

Stop Increasing

b)

Stop Decreasing

c)

Ecosystem

d)

Population

32.

The diagram below shows a growing plant.

Which letter represents the eternal stimulus?

a)

W

b)

X

c)

Y

d)

Z

33.

The solid, liquid, and gaseous water on earth is called the _______

a)

lithosphere

b)

hydrosphere

c)

atmsophere

34.

Oxygen makes up __________ % of the ocean.

a)

10

b)

65

c)

18

d)

85

35.

Select the energy role that the organisms is performing with in its ecosystem. Shrubs in a meadow use sunlight to produce their own food.

a)

Consumer

b)

Decomposer

c)

Producer

d)

Food Web

36.

A system made up of organisms interacting with one another

a)

biology

b)

abiotic

c)

biotic

d)

ecosystem

37.

Two characteristics of life are ______ and _________.

a)

they never need energy

b)

they are made of cells

c)

they grow and develop

d)

they have very different chemicals making up their body

38.

Choose all of the following that would be biotic factors in the picture

a)

fish

b)

ducks

c)

water

d)

plants

39.

Two examples of an abiotic factor are _______ and ______.

a)

mountains

b)

worms

c)

mushrooms

d)

sand

40.

The diagram below shows a growing plant.

Which letter represents the eternal stimulus?

a)

W

b)

X

c)

Y

d)

Z

41.

1. Banana slugs live on the ground in moist forests of the Pacific Northwest. They consume and break down a variety of materials, including small dead animals and rotting leaves. Which term describes banana slugs?

a)

Carnivores

b)

consumers

c)

Decomposers

d)

Producers

42.

2. The diagram show the food web for a forest ecosystem. Which organism would you expect to find the fewest of in the forest ecosystem?

a)

Grass

b)

Grouse

c)

Hawk

d)

Insect

43.

A single living thing that obtains water, food, and shelter to live, grow and reproduce in its habitat is a(n) ___________.

a)

community

b)

population

c)

organism

d)

ecosystem

44.

7. In a prairie ecosystem, nitrogen and other matter builds up in animal wastes. Which organism RETURNS this matter to the ecosystem by breaking down wastes?

a)

Producer

b)

Decomposer

c)

Primary Consumer

d)

Secondary Consumer

45.

Decomposers get their food by __________.

a)

making it themselves

b)

eating live organisms

c)

using dead organisms

d)

eating themselves

46.

Oxygen makes up __________ % of the ocean.

a)

10

b)

65

c)

18

d)

85

47.

The solid, liquid, and gaseous water on earth is called the _______

a)

lithosphere

b)

hydrosphere

c)

atmsophere

48.

A group of interbreeding organisms (species) living in the same area is a(n) ________________.

a)

population

b)

community

c)

organism

d)

ecosystem

49.

All the populations in an ecosystem is called a ___________.

a)

ecosystem

b)

organism

c)

community

d)

biosphere

50.

A group of the same type of organisms living in the same place at the same time.

a)

threatened species

b)

populations

c)

community

d)

limiting factor

51.

An ecosystem is made up of _______ and ________ things.

a)

Living and nonliving

b)

Alive and dead

c)

Plants and animals

d)

Land and water

52.

Select the energy role that the organisms is performing with in its ecosystem. Shrubs in a meadow use sunlight to produce their own food.

a)

Consumer

b)

Decomposer

c)

Producer

d)

Food Web

53.

3. Cyanobacteria also known as blue-green algae, are a kind of bacteria found in many lakes. These organisms make their own food through photosynthesis. Small animals, including mayfly larvae, eat the cyanobacteria. Small fish, such as yellow perch, eat the mayfly larvae. The small fish provide food for larger fish, such as Walley. Choose the level of the food pyramid that represents the energy role of cyanobacteria in the lake ecosystem.

a)

Level 1

b)

Level 2

c)

Level 3

d)

Level 4

54.

Nonliving things found in an ecosystem.

a)

factories

b)

factor trees

c)

biotic factors

d)

abiotic factors

55.

A pride of lions are ___________.

a)

biotic

b)

abiotic

c)

both biotic and abiotic

56.

5. Which levels of organization of the ecosystem in order from smallest level to the largest level.

a)

A. ecosystem, organism, community, population

b)

B. population, organism, community, ecosystem

c)

C. organism, population, community, ecosystem

d)

D. community, population, ecosystem, organism

57.

An organism that breaks down dead things into basic elements is a ----------

(a)

58.

What is missing from this food web? (two possible answers)

a)

Sun

b)

Decomposer

c)

Producer

d)

Primary Consumer

59.

What is an example of a top consumer in this food web? Two possible answers

a)

Great Horned Owl

b)

Sparrow

c)

Hawk

d)

Grass

60.

What is an example of something that is harmful to the environment?

a)

wearing sunglasses

b)

cutting down trees

c)

planting flowers

d)

drawing on the sidewalk with chalk

61.

makes their own food; starts a food chain

a)

consumer

b)

animal

c)

herbivore

d)

producer

62.

Groups of ecosystems with similar climates and communities are called __.

a)

food webs

b)

salinity

c)

rivers

d)

biomes

63.

What is the producer in this food web?

a)

Great Horned Owl

b)

Sparrow

c)

Hawk

d)

Grass

64.

What is the meaning of community?

a)

cool forest biome of conifers in upper Northern Hemisphere

b)

mostly freshwater within biomes like the Deciduous Forest

c)

the study of how living and nonliving things interact

d)

all the living things in an ecosystem

65.

What word means too many of at least one or more species in an area compared to the available resources?

a)

species

b)

overpopulation

c)

omnivore

d)

producer

66.

What is an example of something beneficial to the environment?

a)

throwing your trash into the ocean

b)

oil spills

c)

recycle

d)

driving cars that burn gasoline

67.

eats food but cannot create their own

a)

producer

b)

consumer

c)

onmivore

d)

organism

68.

An animal that is being hunted is called...

a)

prey

b)

predator

c)

conservation

d)

environment

69.

Which part of a cactus helps it store water?

a)

needles on the plant

b)

the dirt around the plant

c)

the sunlight on the plant

d)

the green color of the plant

70.

Worms, mold and bacteria are examples of what type of organism?

a)

adaptation

b)

animals

c)

decomposer

d)

germs

71.

Which definition best defines the word estuary?

a)

treeless biome in arctic regions

b)

where freshwater streams and rivers meet the saltwater of the ocean

c)

all of the members of one species in an area

d)

organisms that cannot make their own food (ex. Animals who eat other animals)

72.

What is an omnivore?

a)

The sun

b)

Consumers that eat both plants and animals

c)

Lion

d)

A consumer that eats only meat

73.

What is a herbivore?

a)

A consumer that eats animals

b)

A plant

c)

A consumer that eats plants and animals

d)

A consumer that eats plants

74.

What is the main source of energy for most food chains?

a)

Producers

b)

An ecosystem

c)

An animal

d)

The sun

75.

What is a decomposer?

a)

A consumer that eats dead animals

b)

An organism that breaks down the remains of organisms

c)

The sun

d)

Soil

Ecosystem Quiz

Total questions: 75

Worksheet time: 2hrs 52mins

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