BIO 148 Lecture Notes - Lecture 10: Fancy Dance, Genetic Drift, Zombie

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14 Feb 2017
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10. 21. 15: darwin was the first to come up with the theory of evolution. 10. 23. 15: the two claims made by the theory of evolution are: Possible answers: traits become more adaptive over time; all living things on earth are related; evolution is powered by natural processes; living things become more advanced as they evolve. Correct answers (both): ; all living things on earth are related; Others: common misconceptions traits become more adaptive over time; all living things on earth are related: some traits become less adaptive some are neither adaptive/non adaptive. Ex: opposable thumbs is adaptive but number of fingers is not necessarily. Others: common misconceptions: living things become more advanced as they evolve : advanced is weird word, organism can lose characteristic as evolve. Answers: mouth; trachea; nostrils; ear canals; a new structure, not seen in other animals. Answers: chickens do not normally have teeth, but occasionally one is born with teeth; the blind mole has tiny, nonfunctional eyes.