BIOL 1202 Midterm: Exam 1 Notes (97% in the course
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Descent with modification: a darwinian view of life. What is evolution & adaption: evolution: 2 main ideas, 1. Change over time of the genetic composition of a population: 2. Pre-darwinian theory of evolution: darwin came up with a workable mechanism of how it works, but there were ideas before him. Bodies of living organisms are modified through the use or disuse of parts: inheritance of acquired traits; these modifications are inherited by offspring, ex: giraffe. Believed they stretched their legs and necks out : these ideas turned out to be wrong. What happens to you during your lifetime doesn"t get passed down to your offspring through genes or traits. Evolution by natural selection: darwin and wallace both developed the theory but independently, darwin, got a job collecting samples of plants and mapping around the world on the. Beagle: wallace, naturalist in indonesia, studied birds.
