The Nod factor is an important component of
A. the formation of the digestive enzymes of carnivorous plants.
B. legume-bacterial interactions.
C. mycorrhizal-terrestrial plant interactions.
D. the Calvin Cycle.
E. trichloroethylene metabolism.
B. legume-bacterial interactions.
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In many ecological communities, one common species can function as a foundation species, defining the nature of a
community by creating locally stable environmental conditions.
Indicate whether the statement is true or false.Conservation biologists conduct population viability analyses to determine ____
a. whether an environment is too badly degraded to support a species b. how large a population must be to ensure its long-term survival c. likely source populations d. likely sink populations e. the annual reproduction rate of a population
The nucleotide that serves as an energy carrier in cells is _____
a. trans fat b. ATP c. DNA d. glycogen e. RNA
In an ecosystem, the amount of organic matter produced in a given time that is available for heterotrophs is known as
A. daily yield. B. gross primary productivity. C. net primary productivity. D. effective vitality. E. net yield.