Balance in Nature
Explore the balance in nature with this Grade 3 science worksheet covering food chains, producers, consumers, and decomposers.
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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?
Lion
Grass
Rabbit
Wolf
2. What do decomposers do in an ecosystem?
Make their own food
Eat other animals
Break down dead plants and animals
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.
True
False
6. A food chain shows how energy moves from one living thing to another.
True
False
7. Look at the food chain below. What would happen if all the grass disappeared?

Use the words below to complete the sentences.
8. A worm is an example of a because it breaks down dead things.
9. A hawk is a because it eats other animals.
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