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The mass of living material at a trophic...

The mass of living material at a trophic level at a particular time is called:

A

Standing state

B

Net primary productivity

C

Standing crop

D

Gross primary productivity

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  2. Multiple alleles are present:

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  16. Alleles are:

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  18. The terga, sterna and pleura of cockroach body are joined by

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