alleryThe rate at which consumers form new organic matter is:
AStanding crop mass
BSecondary product
CPrimary production
DGross productivity
Answer & Solution
Correct answer: B. Secondary product
1. Producers account for primary productivity.
2. Consumers build their own new organic matter from it.
3. That rate is secondary productivity.
4. So the answer is secondary productivity.
_Source: syllabus Biology, Ch 12 'Ecosystem'_
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