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Chapter 46: Q.32 (page 1369)
How does the amount of food a warm-blooded animal
(endotherm) eats relate to its net production efficiency
(NPE)?
Net production efficiency= (Production / assimilation).
So in warm blooded animals (Endotherms) have to eat more to get energy for their survival.
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What are the factors that cause dead zones? Describe
eutrophication, in particular, as a cause.
Which term describes the process whereby toxic substances increase along trophic levels of an ecosystem? a. biomassification b. biomagnification c. bioentropy d. heterotrophy
How would loss of fungi in a forest effect biogeochemical cycles in the area? a. Nitrogen could no longer be fixed into organic molecules.
b. Phosphorus stores would be released for use by other organisms.
c. Sulfur release from eroding rocks would cease.
d. Carbon would accumulate in dead organic matter and waste.
The position of an organism along a food chain is known as its ________. a. locus b. location c. trophic level d. microcosm
The weight of living organisms in an ecosystem at a particular point in time is called: a. energy b. production c. entropy d. biomass
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