In order to maintain somewhat constant genetic frequencies, there must be
A. a relatively large population to prevent genetic drift.
B. very low migration and mutation rates.
C. random mating.
D. All of these answers are true.
D. All of these answers are true.
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Interference competition and exploitative competition are both examples of ____
a. coevolution b. mimicry c. interspecific competition d. intraspecific competition e. parasitism
Tariff protection
a. encourages the optimum use of scarce resources. b. has no impact on use of scarce resources. c. prevents the optimum use of scarce resources. d. eliminates the scarcity of resources.
In a three-point mapping experiment, which class do you expect to find the least?
A) recombinant B) double crossover C) parental D) single crossover E) noncrossover
The inner layer of the skin, the dermis, is mostly:
A) connective tissue. B) nervous tissue. C) muscle tissue. D) keratin. E) epithelial tissue.