NGSS.5-LS2-1

Which best describes what a food chain shows you?

• Energy flow through an ecosystem
• Food flowing through an ecosystem
• Consumers going into other consumers
• Who eats who

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NGSS.5-LS2-1

The ___% rule states that only ____% of energy is transferred to the next trophic level.

• 10%
• 25%
• 50%
• 100%

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NGSS.5-LS2-1

The owl receives energy from which organisms?

• grasshopper and mouse
• mouse and rabbit
• rabbit and butterfly
• butterfly and frog

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NGSS.5-LS2-1

Use the diagram to answer the question.
What is a fitting description for this diagram?

• A Food Chain
• An Ecosystem
• A Food Web
• Biotic and Abiotic Factors

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NGSS.5-LS2-1

The most energy is available at the _______________  level of the energy pyramid. As you move up the pyramid, each level has less energy available than the level below

• consumer
• producer
• carnivore
• food chain

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NGSS.5-LS2-1

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal

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NGSS.5-LS2-1

Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants?

• By returning nutrients to the soil

• By releasing oxygen into the air

• By making space for new animals

• By decreasing the population of herbivores

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NGSS.5-LS2-1

Interacting food chains found in an ecosystem

• food web

• food chain

• predator

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NGSS.5-LS2-1

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

• Producers

• Herbivores

• Carnivores

• Top Predator

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NGSS.5-LS2-1

Many desert animals depend on the prickly pear cactus. What role does the prickly pear cactus play in a desert food web? (5.9B)

• It obtains energy from producers.

• It returns nutrients to the soil.

• It preys upon other organisms.

• It provides energy to consumers.

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NGSS.5-LS2-1