Mutations affect Hardy-Weinberg equilibrium by
A. allowing gene flow to increase.
B. keeping allele frequencies unchanged between generations.
C. decreasing the genetic variation that affects natural selection.
D. altering frequencies of particular alleles within a population.
Answer: D
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A yellow jacket, an insect in the order hymenoptera, stung me. A wasp, an insect in hymenoptera, stung me. A hornet, an insect in hymenoptera, stung me. I see a pattern. All insects in this order must have stingers. What type of reasoning does this represent?
A. inductive reasoning B. deductive reasoning C. reductionism D. comparative reasoning
An organism that can use energy and inorganic substances to produce all the organic material it requires is a(n)
A. consumer. B. decomposer. C. autotroph. D. secondary consumer. E. heterotroph.
According to MacArthur and Wilson's island biogeography theory, which of the following would be expected to have the smallest species richness?
A. the mainland B. a large island near the mainland C. a large island far from the mainland D. a small island near the mainland E. a small island far from the mainland
The fact that salt dissolves in water is best explained by the
A) slightly charged nature of water molecules. B) ionic nature of water molecules. C) hydrophobic nature of the water. D) hydrophobic nature of salt. E) polar nature of water molecules.