NGSS.HS-LS2-3

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

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NGSS.HS-LS2-3

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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NGSS.HS-LS2-3

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

• Producers
• Herbivores
• Carnivores
• Top Predator

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NGSS.HS-LS2-3

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

• Producers
• Herbivores
• Carnivores
• Top Predator

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NGSS.HS-LS2-3

Which organism recieves the least amount of energy from the producer?

• Owl
• Grasshopper
• Lilypad
• Mouse

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NGSS.HS-LS2-3

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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NGSS.HS-LS2-3

N2 is taken from the atmosphere and converted to ammonium ______ by bacteria on the roots of legumes, converted to _____ and _____ before being denitrified back into N2.

• NH4, NO2, NO3
• NO2, NO3, NH4
• NH4, N2, NH3
• NH3, N2, NO2

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NGSS.HS-LS2-3

Which of the following categories of organisms, which are required for the cycling of matter in an ecosystem, is missing from the table?

• Producers

• Primary consumers

• Secondary consumers

• Decomposers

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NGSS.HS-LS2-3

What do the arrows in the food chain indicate about the flow of energy in an ecosystem?

• Energy is continuously recycled by the organisms in an ecosystem.

• Energy flows in one direction in an ecosystem, from producers to consumers.

• More of the available energy in an ecosystem is given to large animals than to small animals.

• Organisms at the end of the food chain receive more energy than those at the beginning.

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NGSS.HS-LS2-3

The arrows in a food chain or web represent ...

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show the direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.HS-LS2-3