An Ecologist Studying Productivity in a Sample of Grasses Measures

question 11

Multiple Choice

An ecologist studying productivity in a sample of grasses measures gross primary productivity as 1000 kcal/m2/yr and autotrophic respiration as 100 kcal/m2/yr.Based on these calculations,the net primary productivity would be

• A)10 kcal/m2/yr.
• B)900 kcal/m2/yr.
• C)1100 kcal/m2/yr.
• D)10,000 kcal/m2/yr.

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Definitions:

Total Utility

The complete satisfaction or utility gained by consuming a certain amount or number of goods or services.

Beers

An alcoholic beverage typically made from water, malted barley, hops, and yeast.

Day

A period of 24 hours as a unit of time, representing the time taken by the Earth to complete one rotation with respect to the sun.

Utility

Refers to the total satisfaction received from consuming a good or service.