5.4 Decomposers Quiz

 What are decomposers?

  

• Animals that eat other animals

    

• Organisms that break down dead plants and animals

    

• Plants that make their own food

   

• Organisms that live on the surface of water

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Name three examples of decomposers.

• Lions, tigers, and bears

• Flowers, trees, and grass

• Mushrooms, bacteria, and earthworms

    

• Birds, fish, and insects

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What is the role of decomposers in an ecosystem?

• They hunt and eat other animals

• They provide energy to plants

• They break down dead organisms and recycle nutrients

•  They help animals find food

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How do decomposers break down dead plants and animals?

  

• By using sunlight

• By conducting photosynthesis

• By breaking them apart into smaller pieces

• By drinking water

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What happens to the nutrients released by decomposers?

• They disappear forever

• They become part of the soil and are used by plants

   

• They turn into rocks

• They float away into space

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Which one is a decomposer?

• Squirrel

• Butterfly

• Ant

• Earthworm

Decomposers only break down living things.

• True

• False

How do decomposers contribute to soil health?

• By making the soil colder

• By making the soil more acidic

• By adding nutrients to the soil

• By making the soil less fertile

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What do fungi use to break down organic matter?

• Sunlight

• Water

• Air

• Enzymes

What is the difference between a decomposer and a scavenger?

• Scavengers break down dead organisms, while decomposers eat live ones.

• Scavengers eat live organisms, while decomposers break down dead ones.

   

• There is no difference.

    

• Scavengers and decomposers are the same thing.

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