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

Question

Quizplus · Accepted Answer

Biogeochemical cycles, such as the carbon, nitrogen, and water cycles, describe the movement and recycling of nutrients and elements between biotic (living organisms) and abiotic (non-living, such as water, air, and soil) components of ecosystems.

Biogeochemical Cycles Describe ____