Question

Which of the following statements is correct regarding factors affecting net primary productivity (NPP)? Select one:...

Which of the following statements is correct regarding factors affecting net primary productivity (NPP)?

Select one:

a. NPP in terrestrial systems decreases with decreasing levels of annual precipitation

b. NPP in terrestrial systems is only influenced by temperature

c. temperature has no effect on NPP in aquatic systems

d. none of the above

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Answer #1

                     Terrestrial ecosystems are exclusivley on sun's light source forn their production of organic matter and for the evolution of Net Primary Productivity from that.But still rainfall also play a crucial role along the source of energy from sun for their energy production in their ecosystem .So it is correct that

  • Net Primary Productivity in terrestrial systems decreases with decreasing levels of annual precipitation (annual rainfall rate)
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