Amplify Science Unit 3 Chapter 3

A diagram that is simple which represents how energy ows in an ecosystem is known as a

• food web

• food chain

• map

• food source

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What is the overlapping of many food chains within an ecosystem considered?

• food web

• food chain

• map

• food source

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All ecosystems start with energy from the

• sun

• sea

• soil

• water

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What is passed from one consumer to the next, as it relates to a food web?

• bacteria

• diseases

• energy

• none of the above

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The amount of matter in an ecosystem

• always changes

• never changes

• seldom changes

• sometimes changes

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A living thing that eats other living things is known as a

• producer

• consumer

• decomposer

• none of the above

How big is an ecosystem?

• as small as a puddle

• big like the ocean

• the size of your backyard

• all of the above

What is the ability to make things move or change?

• elasticity

• electricity

• energy

• ecosystem

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The data and ideas that scientists use as evidence to support their claims come from what?

• observations

• educated guesses

• taking pictures

• none of the above

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Plants take in what gas and use it for making food?

• carbon dioxide

• oxygen

• hydrogen

• nitrogen

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