Suppose That Net Secondary Production in an Ecosystem Is Only

question 70

Multiple Choice

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%

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Definitions:

Normal Distribution

A continuous probability distribution that is symmetric around its mean, indicating that data near the mean are more frequent in occurrence than data far from the mean.

Negative Value

A number that is less than zero, representing a deficit or loss in various contexts.

z

A statistical measure that represents the number of standard deviations an element is from the mean of its population.

Standard Normal Random Variable

A variable that follows a normal distribution with a mean of 0 and a standard deviation of 1.