Multiple Choice
Biogeochemical cycles describe ____.
A) the constant recycling of nutrients between biotic and abiotic components of ecosystems
B) pathways by which energy and nutrients move through biotic components of ecosystems
C) all available nutrients in an ecosystem
D) a series of mathematical equations that define an ecosystem's most important relationships
E) the input of solar energy into a closed ecosystem
Correct Answer:
Verified
Correct Answer:
Verified
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