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3 votes
If the heterotrophs in level 2 of a trophic pyramid produce 20,000 kilograms of biomass, how much energy did the autotrophs produce?

A
20 kg

B
200 kg

C
2,000 kg

D
200,000 kg

User Sam McAfee
by
8.2k points

1 Answer

7 votes
The answer is D !! It is 10% rule ; thus autotroph will produce 200,000 kg in order that heterotroph will gain 20,000 kg !!

Thus D is the correct one !!
User Chamila Chulatunga
by
8.1k points
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