Consider the global nitrogen cycle depicted in the figure above. How are humans altering this cycle?
A) industrial nitrogen fixation
B) nitrogen lost to the atmosphere
C) reduction of nitrogen available to terrestrial ecosystems
D) reduction of nitrogen fixation by bacteria
E) permanent burial of nitrogen in coastal environments through runoff
Answer: A
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A) step 1
B) step 2
C) step 3
D) step 4
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a. describe grazer food webs. b. describe detrital food webs. c. describe nutrient cycling d. describe species richness e. describe inputs of solar energy
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Fill in the blank(s) with correct word