Do Earthworms Really Eat Dirt?

For lots of different living things, waste is actually a good source of ___

• Shelter

• energy

• water

• life

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Organisms, like bacteria, insects and worms, that break down waste are called ___

• carnivore

• herbivores

• decomposers

• omnivores

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Energy flows through a system of living things in a "what eats what" model called ___

• the carbon cycle

• a food chain

• the water cycle

• an energy line

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In an ecosystem, decomposers break down ___

• nutrients

• waste

• insects

• worms

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Decomposers break waste down into ___

• bacteria and some fungi

• nutrients and other chemicals

• plants and trees

• insects and worms

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TRUE or FALSE: Worms are the ONLY kind of decomposers

• True

• False

In one acre of land, there could be as many as this amount of earthworms

• 100

• 1,000

• 100,000

• 1,000,000

A couple hundred years ago, people thought that earthworms must be

• gods.

• pests.

• mammals.

• snakes.

This scientist was very interested in earthworms and thought that they may be helpful organisms.

• Louis Pasteur

• Albert Einstein

• Isaac Newton

• Charles Darwin

Earthworms' bodies are made of

• circular scales

• hundreds of tiny bones

• ring-like segments

• a combination of jelly and sugar