A Student Calculates the Amount of Plant Biomass Produced by a Field

question 152

Multiple Choice

A student calculates the amount of plant biomass produced by a field during one season.He defines this as the gross primary production of the field.Is this correct, and why or why not?

• A) Yes; it represents the total amount of energy received from the sun and stored by plants.
• B) Yes; it represents the total amount of energy available to consumers, which is the GPP.
• C) Possibly; it represents the production that could be measured, but not necessarily all production.
• D) No; it represents net primary production, because it does not measure energy lost during respiration.
• E) No; it represents net primary production, which includes both available production and energy lost as heat.

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