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natural selection leads to ___________ ___________, as individuals with beneficial heritable traits leave more offspring, and the frequency of such traits in a population increases over generations
the branch of biology that names and classifies organisms; originated in the work of Linnaeus
Cuvier believed in ___________; he maintained that the differences he observed in the fossils found in different strata were the result of locat catastrophic events such as floods or drought and were not indicative of evolution
the idea that immense change is the cumulative result tof slow but continuous processes; proposed by Hutton
humans have modified other species over many generations by selecting and breeding individuals that posses desired traits - __________ __________
the arms, forelegs, flippers, and wings of different mammals are ________ _________ that represent variations on a structural theme that was present in their common ancestry
some of the most intriguing homologous structures are _____ _________, structures of marginal importance to the organism
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