What does primary productivity measure? A. the rate at which phototrophs make organic matter B. how energy moves from organism to organism C. how producers carry out photosynthesis D. the number of consumers

What does primary productivity measure?

A. the rate at which phototrophs make organic matter
B. how energy moves from organism to organism
C. how producers carry out photosynthesis
D. the number of consumers that make up a food web

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What does primary productivity measure? A. the rate at which phototrophs make organic matter B. how energy moves from organism to organism C. how producers carry out photosynthe…

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