NGSS.MS-LS2-3

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

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NGSS.MS-LS2-3

All of the nonliving parts of an ecosystem are _______.

• biography
• biotic
• abiotic
• biology

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NGSS.MS-LS2-3

Earthworms eat decaying living material in the soil, and then return that energy to the ecosystem. This energy role is

• decomposer
• autotroph
• herbivore
• omnivore

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NGSS.MS-LS2-3

Animals that get energy by eating the carcasses of other animals that have been killed by predators or have died of natural causes are called ________.

• scavengers
• omnivores
• heterotrophs
• detritivores

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NGSS.MS-LS2-3

What is the correct order in this pond succession?

• A, B, C, D

• D, C, B, A

• B, A, D, C

• C, D, A, B

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NGSS.MS-LS2-3

The many overlapping food chains in an ecosystem make up a(n)

• food web

• food chain

• energy pyramid

• feeding level

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NGSS.MS-LS2-3

In a food web, each ____________ depends on the trophic level below it for energy.

• consumer

• producer

• decomposer

• detritivore

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NGSS.MS-LS2-3

Living or organic matter

• Decomposer

• Autotroph

• Biomass

• Consumer

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NGSS.MS-LS2-3

What do the arrows in a food web represent?

• mass

• energy flow

• matter

• organisms

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NGSS.MS-LS2-3

In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

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NGSS.MS-LS2-3