CW/HW 9.7 Energy Pyramids and Biomass

What makes an energy pyramid different than a food web or chain?

• It shows energy flowing from the top of the chain and downward. 
• The tropic levels are the opposite
• It shows the amount of energy in each trophic level
• It shows specific predator/prey relationships

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A pyramid shape is used to show the amount of available energy at each trophic level because... 

• energy decreases as you go up the food chain, just like the pyramid shape gets smaller as you go up. 
• energy increases up the food chain just like the pyramid shape gets smaller as you go up. 
• energy amounts are the same at each trophic level

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What is the ultimate ORIGINAL source of energy for living things?

• Sugar
• Sun
• Moon
• Carbon Dioxide

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Where do producers get their energy? 

• soil
• decomposers
• sun
• garbage

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In an energy pyramid, energy_______ as you move up the pyramid.

• Increases
• Decreases
• Stays the same
• Changes up and down

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NGSS.MS-LS2-3

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

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In the energy pyramid, which organism has the least amount of energy available?

• Producers
• Herbivores
• Carnivores
• Top Predator

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In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

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If only 10% of an organism's energy is available for the next trophic level, what happens with the other 90% of the energy?

• It is destroyed after it is used up.
• It is used for life processes or lost as body heat.
• It remains for the next trophic level IF the predator consumes ALL of the organism.
• It is lost completely as body heat. 

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NGSS.MS-LS2-3

In this Food Web Pyramid, which type of consumer gets only 10% of the energy stored in plants?

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

• Quaternary Consumers

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