Suppose that net secondary production in an ecosystem is only 15% of the total amount of plant material ingested by heterotrophs. If herbivores egest 20% of what they ingest, what percentage of what they ingest goes to heterotroph respiration?
A) 20%
B) 35%
C) 65%
D) 80%

Question

Quizplus · Accepted Answer

Net secondary production is 15% of the total amount of plant material ingested by heterotrophs. Herbivores egest 20% of what they ingest. Therefore, the percentage of what herbivores ingest that goes to heterotroph respiration is 100% - 15% - 20% = 65%.

Suppose That Net Secondary Production in an Ecosystem Is Only