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Ecosystem Interactions

Explore the fascinating world of ecosystems, food chains, and how living things interact with their environment.

Grade 4 Science BiologyInteractions in an Ecosystem
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank

Standards

4-LS1-14-LS2-1

Topics

ecosystemfood chainhabitatproducerconsumerdecomposer
7 sections · Free to use · Printable
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Ecosystem Interactions

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Read each question carefully and answer to the best of your ability. Good luck!

1. What is an ecosystem?

a

A group of animals living together.

b

All the living and non-living things in an area interacting with each other.

c

Only the plants in a forest.

d

The weather in a specific place.

2. Which of these is a producer in a food chain?

a

A lion

b

A rabbit

c

A grass plant

d

A mushroom

3. Animals that eat other animals are called  .

4. All the living things in an ecosystem are called   factors.

5. A habitat provides an organism with food, water, shelter, and  .

6. Decomposers break down dead organisms and return nutrients to the soil.

T

True

F

False

7. A food chain shows how energy flows from one living thing to another.

T

True

F

False

8. Look at the food chain below. What role does the frog play?

A simple food chain showing grass, grasshopper, frog, snake, and hawk.

9. Give two examples of non-living (abiotic) factors in an ecosystem.

Use the words below to complete the sentences.

consumer
biotic
producer
ecosystem

10. A plant is a   because it makes its own food.

11. All the living and non-living things in an area make up an  .

12. An animal that eats plants or other animals is called a  .

13. Living components of an ecosystem are known as   factors.