BIOL 1202 : EXAM III SI Review Answers
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Circle the two main ideas of evolution: change in the phenotypic composition of a population, change in the genetic composition of a population over time, accumulation of inherited characteristics, decent of modern organisms with modification from preexisting organisms. ___________natural selection____________ is the driving force of evolutionary adaptation. One important feature about natural selection is that new characteristics ________, this process. Selects from what is already available in the ___________: are created on demand/gene pool, are not created on demand/ gene pool, arise constantly/individual genotype, rarely appear/individual genotype. Regarding the last question, what are the 2 driving forces that ultimately lead to these new characteristics: reproductive recombination, mutuation. Match each: cuvier __c__, hutton __a__, lyell __b__, gradualism, uniformitarianism, catastrophism. Darwin observed a bird in the wild with a narrow, pointed beak, along with many other variations of beaks. What would you expect to be the main source of this bird"s diet: cactus eater, insect eater, seed eater.
