Unit 3 Energy Use and Ecosystems

What do the arrows in a food chain represent?

• The flow of energy

• Which organism eats which

• Producers

• Consumers

Tags

NGSS.MS-LS2-3

What organisms use the energy that is lost from a food chain?

• Decomposers

• Recyclers

• Producers

• Consumers

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What percentage of energy from one organism is passed onto the next organism in a food chain?

• 10%

• 20%

• 30%

• 40%

Which of these is not a way energy can be lost in a food chain?

• Heat

• Movement

• Undigested Material

• Growth

Tags

NGSS.MS-LS2-3

Which letter represents the producer?

• A

• B

• C

• D

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

There is less energy as you move up a pyramid of energy because...

• There are fewer organisms at each level

• Energy is stored at each level

• Energy is lost at each level

• The organisms are bigger as you move up a pyramid

Tags

NGSS.MS-LS2-3

Which letter represents the pyramid of numbers?

• K

• L

• M

Tags

NGSS.MS-LS2-3