NGSS.MS-LS2-3

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

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NGSS.MS-LS2-3

Which of these organisms would receive energy from the snake?

• Plant
• Rabbit
• Mouse
• Hawk

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NGSS.MS-LS2-3

TRUE or FALSE: An ecosystem contains only biotic factors.

• TRUE
• FALSE

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NGSS.MS-LS2-3

A food chain shows the transfer of ___ from one organism to another. 

• matter
• consumers
• energy
• habitat

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NGSS.MS-LS2-3

The living and nonliving things in an area make up

• A population
• A community
• An ecosystem
• A biome

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NGSS.MS-LS2-3

What is the bottom layer of the an energy pyramid?

• producer

• tertiary consumer

• Secondary consumer

• primary consumer

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NGSS.MS-LS2-3

Which of the following is an abiotic factor?

• Climate

• Precipitation

• Wind patterns

• All the above

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NGSS.MS-LS2-3

Which of the following shows an abiotic factor interacting with a biotic factor in the environment?

• Lamprey eels survive by attaching themselves to trout.

• Water temperature affects its oxygen level.

• Low light intensity affects the growth of forest pine trees.

• Gypsy moth caterpillars eat the leaves of apple tree.

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NGSS.MS-LS2-3

When looking at energy pyramids, only _____ of the energy is passed from one tropic level to the next. This is because organisms uses 90% of the energy for mechanical and thermal energy.

• 10%

• 50%

• 1%

• none of the above

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NGSS.MS-LS2-3

The flow of energy in an ecosystem can be seen in a...

• species

• food chain

• biome

• community

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NGSS.MS-LS2-3