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Please Use the Following Information to Answer the Questions Below

Question 72

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Please use the following information to answer the questions below.
The tundra biome is rapidly changing as a result of global warming.Studying the energy budget of the tundra can help scientists to evaluate the magnitude of these changes.In a randomly selected square meter of tundra,the amount of plant biomass is 200 g.The amount of new plant biomass added in a year is 100 g.In the same square meter,the total biomass added in a year is 15 g.A grasshopper that eats 1 g of plant biomass is able to use 0.15 g of that biomass for growth.The grasshopper cannot assimilate 50% of the plant's biomass.
-The 100 g of new plant biomass is the


A) net ecosystem production.
B) gross primary production.
C) total biomass production.
D) secondary production.
E) net primary production.

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