7.The effect of natural selection in the case of the English Peppered Moth, Biston betularia, illustrates that the advantage of inherited traits depends on the .
a) presence of cytochrome-c; b) intensity of melanin; c) environment; d) presence of homologies among moths
8.A zoologist found that in the population of frogs in Lake Mission Viejo, half the genes for skin color in the gene pool were alleles for brown spots, and half the genes were alleles for green spots. Which of the following could cause these proportions to change?
9.Selection pressure is placed on the:
10.Long-legged cheetahs are well adapted to catching prey. The ancestors of the cheetah is believed to have relatively short legs. According to Darwinian views, the evolution long-legged cheetahs is best explained by: