Which Data Is Most Useful to Measure Primary Productivity in a Terrestrial

question 46

Multiple Choice

Which data is most useful to measure primary productivity in a terrestrial ecosystem?

• A) temperature readings
• B) potential evapotranspiration
• C) intensity of solar radiation
• D) annual precipitation
• E) amount of carbon fixed

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Definitions:

Volume

A measure of the amount of three-dimensional space an object or substance occupies.

Gaseous System

A state of matter consisting of a collection of particles (atoms or molecules) that have neither a defined shape nor volume and can expand freely.

Temperature

A measure of the thermal energy of a system, indicating how hot or cold the system is.