Net Primary Productivity Is the

question 34

Multiple Choice

Net primary productivity is the

• A)total amount of energy fixed for photosynthesis in an area,minus the energy wasted or used.
• B)for plant respiration and maintaining existing tissue.
• C)total amount of energy fixed for photosynthesis in an area.
• D)percentage of the total vegetation surface that is a healthy green color.
• E)ratio of the population of autotrophs to the population of heterotrophs in an ecosystem.

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