Biogeochemical Cycles Describe ____

question 80

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

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