wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Ecosystems Review

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Which organism below is NOT an example of a decomposer?

a)

leaves

b)

mushroom

c)

worm

2.

Which of the organisms below would be a producer?

a)

algae

b)

mouse

c)

worm

3.

Which of the following organisms is a consumer?

a)

bacteria

b)

hawk

c)

mushroom

4.

A tree is an example of a _______________.

a)

consumer

b)

decomposer

c)

producer

5.

Humans are considered _______________.

a)

consumers

b)

decomposers

c)

producers

6.

A worm is an example of a _______________.

a)

consumer

b)

decomposer

c)

producer

7.

What is a producer?

a)

an organism that gets energy from eating other organisms

b)

an organism that gets energy from eating dead organisms, non-living material or waste

c)

an organism that uses sunlight to make its own food

8.

An organism that gets energy from eating other organisms is a ________________.

a)

consumer

b)

decomposer

c)

producer

9.

An organism that gets energy from breaking down dead organisms, non-living material, or waste is a ________________.

a)

consumer

b)

decomposer

c)

producer

10.

The shrew provides energy for the ________________.

a)

cricket

b)

grasshopper

c)

snake

11.

What do the arrows in a food chain/web represent?

a)

They point to the organism that is being eaten.

b)

They represent how water is transferred within a habitat.

c)

They show what direction the energy is flowing between organisms.

12.

This is an example of a ______________.

a)

food chain

b)

food pyramid

c)

food web

13.

This is an example of a ______________.

a)

food chain

b)

food pyramid

c)

food web

14.

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.

15.

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 because the fox would not have as many food sources.

c)

The willow tree population would decrease.

16.

Which would likely happen if there were a sudden increase in the cricket population?

a)

There would be a decrease in the grass/flowers population.

b)

There would be a decrease in the mice population.

c)

There would be an increase in the grass/flowers population.

17.

Which of the following could go in the missing space of the food chain?

a)

bee

b)

grass

c)

snake

18.

Which organism type is missing from the food chain?

a)

consumer

b)

decomposer

c)

producer

19.

Which of the organisms from the ecosystem would NOT be a decomposer?

a)

bacteria

b)

fish

c)

fungi

20.

Which of the following is true?

a)

As moose populations rise, wolf populations decrease.

b)

More moose mean less food for wolves.

c)

As wolf populations increase, moose populations decrease.