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Chapter 46: Q. 8 (page 1368)
What term describes the use of mathematical equations in the modeling of linear aspects of ecosystems?
a. analytical modeling b. simulation modeling c. conceptual modeling d. individual-based modeling
The correct option is a. analytical modeling .
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How does the amount of food a warm-blooded animal
(endotherm) eats relate to its net production efficiency
(NPE)?
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.
Compare and contrast food chains and food webs.
What are the strengths of each concept in describing ecosystems?
Organisms that can make their own food using inorganic molecules are called: a. autotrophs b. heterotrophs c. photoautotrophs d. chemoautotrophs
The process whereby nitrogen is brought into organic molecules is called
a. nitrification
b. denitrification
c. nitrogen fixation
d. nitrogen cycling
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