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Biogeochemical cycles

Google Classroom

Which of the following best describes the importance of biogeochemical cycles?

(Choice A)
They describe how the adaptations of organisms change based on environmental pressures.
(Choice B)
They chart how biotic changes destroy unstable ecosystems.
(Choice C)
They explain how energy moves through trophic levels of an ecosystem.
(Choice D)
They show how certain elements and compounds move through the environment and are continually used and recycled.

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