BIOL 1082 Study Guide - Comprehensive Final Exam Guide - Reading Company, Protein, Phylogenetic Tree
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20 lo: describe the interactions between beak size in darwin"s finches, their food, and climate changes in their environment, explaining how this is an example of evolution by natural selection, beak size varied according to the food available. If a species experience drought this meant that less soft small food was available and that the bird with the larger beaks survived. It is so important because it is used to determine whether or not evolution has occurred in a population. Intersexual selection: individuals of one sex are choosy in selecting their mates from the other sex. "mate choice" depends on the showiness of the male"s appearance or behavior: natural selection is broader. Natural selection is that individuals inherit acquired traits. Be able to explain why each misconception is often held and what is wrong with it. Genetic variation is due to a ra(cid:374)do(cid:373) (cid:373)utatio(cid:374).