An ecological niche is typically ________ dimension/s
A) one
B) two
C) three
D) an unspecified number of
D
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Often the growth cycle of one population has an effect on the cycle of another. As moose populations increase, for example, wolf populations also increase
Thus, if we are considering the logistic equation for the wolf population, dN/dt = rN, which of the factors accounts for the effect of the moose population? A) r B) N C) rN D) K E) dt
What initiates the sodium-potassium pump?
A. Three sodium ions bind to the cytoplasmic side of the protein. B. Three sodium ions are translocated out of the cell. C. Phosphorylated pump has low affinity for sodium allowing sodium to leave and potassium to bind. D. Two potassium ions are transported into the cell. E. ATP binds to the protein which becomes phosphorylated (ADP is released).
The serology test that may show the antigen-antibody complex as yellow-green under the microscope while using an ultraviolet light is known as the
A. Western blot. B. fluorescent antibody test. C. ELISA test. D. agglutination test.
Over generations in a population, traits seen in individuals with higher fitness values will
A. become less prevalent in the population. B. become more prevalent in the population. C. stay at the same frequency in the population. D. decrease the population's mean fitness.