Polygyny is often positively correlated with:
a) territoriality and mate guarding.
b) equal parental investment and equal choosiness in mate selection.
c) sexual monomorphism and variation in male reproductive success.
d) sexual dimorphism and variation in male reproductive success.
e) sexual dimorphism and variation in female reproductive success.
Ans: d) sexual dimorphism and variation in male reproductive success.
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Freshwater fish will (select all correct choices):
A. lose electrolytes across the skin and gills. B. gain water across the skin and gills. C. gain electrolytes across the skin and gills. D. gain electrolytes from drinking. E. lose water across the skin and gills.
Which blood vessel type can function as blood volume reservoirs?
a. veins b. arteries c. arterioles d. capillaries e. ventricles
Leptospirosis
A. is communicable. B. is contracted by the fecal-oral route. C. is strictly transmitted by sexual contact. D. has only humans as a reservoir. E. can be contracted from the environment.
In an experiment, control groups are used to identify
1.side effects compared to an experimental group. 2.group experiences of the same conditions. 3.group experiences of different conditions. 4.side effects of a hypothesis.