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Balance in Nature

Explore the balance in nature with this Grade 3 science worksheet covering food chains, producers, consumers, and decomposers.

Grade 3 Science BiologyBalance in Nature
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank

Standards

3-LS2-13-LS4-3

Topics

sciencegrade 3balance in naturefood chainecosystem
7 sections · Free to use · Printable
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Balance in Nature

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

1. Which of these is a producer?

a

Lion

b

Grass

c

Rabbit

d

Wolf

2. What do decomposers do in an ecosystem?

a

Make their own food

b

Eat other animals

c

Break down dead plants and animals

d

Only eat plants

3. A living thing that eats other living things for food is called a  .

4. Plants are called   because they make their own food.

5. All animals eat only plants.

T

True

F

False

6. A food chain shows how energy moves from one living thing to another.

T

True

F

False

7. Look at the food chain below. What would happen if all the grass disappeared?

food chain illustration

Use the words below to complete the sentences.

consumer
producer
decomposer
food chain

8. A worm is an example of a   because it breaks down dead things.

9. A hawk is a   because it eats other animals.