BIS 2B: Ecosystems Questions and Correct Answers/ Latest Update / Already Graded

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BIS 2B: Ecosystems Questions and Correct
Answers/ Latest Update / Already Graded
what is NPP?

Ans: net primary productivity, amount of actual production of
sugars that organisms can consume


what is GPP?

Ans: gross primary productivity, the rate of photosynthesis


equation for NPP?

Ans: GPP - (rate of respiration)


where is NPP highest?

Ans: in the tropics or tropical rainforests due to stable
moisture and temperatures


what is Lindeman's Law of 10%?

Ans: on avergae, about 10% of energy available at one trophic
level is transferred to the next trophic level




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what are primary producers?

Ans: photosynthesizers of an ecosystem


what is respiring?

Ans: using energy to keep cells alive at all times


what is detritus?

Ans: stuff that is not eaten y consumers in the system like
leaves that fall to the ground and decay, get decomposed by
decomposers


what are tertiary consumers?

Ans: carnivores that eat the secondary consumers


what is consumption efficiency?

Ans: what fraction of available biomass that can be ingested by
consumers


what is ecological efficiency?




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