7th Grade Peer Mentoring: Ecology #1

Peer Review: Ecology #1

7th Grade

A food pyramid is represented below. Which statement best describes one of the levels in this pyramid?

Multiple Choice

A food pyramid is represented in the diagram. Which statement best describes one of the levels of this pyramid?

• Level A contains the largest producers in the pyramid.

• The organisms in level B obtain food directly from level A.

• Level C contains the largest group of consumers in the pyramid.

• Level D contains the greatest number of heterotrophs in the pyramid.

A pond ecosystem is represented in the diagram. Energy for this ecosystem originally comes from

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Multiple Choice

A pond ecosystem is represented in the diagram. Energy for this ecosystem originally comes from

• water

• consumers

• sunlight

• plants

Which statement would be true if the owl population disappeared?

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Multiple Choice

Which statement would be true if the owl population disappeared?

• The mouse population would increase.

• The carrot population would increase.

• The fox population would decrease.

• The rabbit population would decrease.