Which of the following is true of innate behaviors?

A) Genes have very little influence on the expression of innate behaviors.

B) Innate behaviors tend to vary considerably among members of a population.

C) Innate behaviors are limited to invertebrate animals.

D) Innate behaviors are expressed in most individuals in a population across a wide range of environmental conditions.

E) Innate behaviors occur in invertebrates and some vertebrates but not in mammals.

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#Question id: 3290

#Section 2: Evolution

Dog breeders maintain the purity of breeds by keeping dogs of different breeds apart when they are fertile. This kind of isolation is most similar to which of the following reproductive isolating mechanisms?

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#Question id: 11252

#Section 1: Ecology

A populations of scale insects exhibited superior survival when transplanted within, rather than between, ponderosa pine trees. Variation in antiherbivore defenses among individual ponderosa pines thus appears to be paralleled by variation in genotypes of the scale insects that infest them. If this is the case, then the experiment demonstrates __________.

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#Question id: 10828

#Section 1: Ecology

Not all parasitism involves feeding on the body of the host. The exception is

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#Question id: 4632

#Section 2: Evolution

Which of these conditions should completely prevent the occurrence of natural selection in a population over time?

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#Question id: 4608

#Section 2: Evolution

What must be true of any organ described as vestigial?