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What demonstrates the flow of energy and materials through ecosystems in a single pathway? a food chain b food web c biogeochemical cycle
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2 votes
What demonstrates the flow of energy and materials through

ecosystems in a single pathway?
a food chain
b food web
c biogeochemical cycle

User Vivek Jha
by
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1 Answer

6 votes
A. Food chain

A food web also shows the flow of energy and materials through an ecosystem but in a complex web, not a single chain. A biogeochemical cycle does not deal with the flow of energy/materials through an ecosystem at all.
User Dale Anderson
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