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What is an ecosystem?

• The living things that make up your surroundings

• The non-living things that make up your surroundings

• The living and non-living things that make up your surroundings

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What gives you the energy to run a tiring, but awesome up-hill mile?

• Chemical Energy

• Physical Energy

• Water

• SUGAR, SUGAR, SUGAR!!!!!

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Energy is never used up, it is simply ____________.

• lost as heat

• transferred

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Kinetic Energy is what?

• sound

• heat

• movement

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Thermal Energy is what?

• sound

• heat

• movement

Sound Energy is what?

• sound

• heat

• movement

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Where does energy come from?

• The sun

• The plants

• The primary consumers

• The secondary consumers

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What is biomass?

• The amount of organisms by weight

• The amount of organisms in an ecosystem

Tags

NGSS.MS-LS2-3

We know that 10% of the energy is passed on, but what happens to the other 90%?

• It is used in respiration

• It is lost as biomass

• It is lost as heat

• We decompose it

Usually, how many trophic levels are there in an energy pyramid?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-LS2-3