BIOL 1202 : Biology 1202 Exam 1 Material
Document Summary
Descent with modification: a darwinian view of life. What is evolution adaptation: evolution: 2 main ideas, change over time of the genetic composition of a population, decent of modern organisms with modification from preexisting organisms. Evolutionary adaption: accumulation of inherited characteristics that enhance organisms ability to survive in specific environment. Pre-darwinian theory of evolution: lamarck, use and disease, bodies of living organisms are modified through the use or disuse of parts, inheritance of acquired characteristics, these modifications are inherited by offspring, these ideas turned out to be wrong. Evolution by natural selection: darwin & wallace developed the theory of independently, darwin- voyage of the beagle, wallace- naturalist in indonesia. Natural selection: the unequal survival and reputation of organisms due to environmental forces, resulting in the preservation of favorable adaptations, process selects from what is available in gene pool, new characteristics are not created on demand.
