Energy and Matter in Ecosystems

In a food chain, matter passes from one _________ to the next.

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NGSS.MS-LS2-3

A __________ is a living thing that breaks down plant and animal matter into simpler substances.

A __________ eats other organisms in order to obtain energy.

A __________ makes its own food using light energy from the sun.

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NGSS.MS-LS1-6

How could you best classify the image below?

• producer

• consumer

• decomposer

Which fact is true about the organism pictured below? Select all that apply:

• It can create its own food.

• It contains nutrients that will eventually be passed on to other organisms.

• It survives by feeding on dead consumers.

• It may use water that has been a part of our ecosystem since the time of the dinosaurs.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

The energy animals need to survive originates from:

• air

• the sun

• soil

• water

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organisms below feed on dead consumers in order to break down matter? Select all that apply:

• mushroom

• monkey

• beetle

• ant

• worm

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NGSS.MS-LS2-3

Which sentence best explains how matter is transferred through an ecosystem?

• The nutrients and energy from one organism are passed on when an organism consumes another.

• Matter changes one organism from a consumer to a producer.

• A decomposer transfers its nutrients and energy into the soil so that other animals can consume it.

• All plants and animals receive their energy and nutrients directly from the sun.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which image belongs in the empty box in the food chain?

• iguana

• cow

• worm

• grass

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NGSS.MS-LS2-2

NGSS.MS-LS2-3