BIOL 1202 : Exam 1 Bio2
Document Summary
Chapter 22: descent with modification a darwinian view of life. Evolution: change over time in genetic composition of a pop. (change in frequency of genes, decent of modern organisms with modification from preexisting organisms. Accumulation of inherited characteristics that help an organism. Evolutionary adaption: to survive and reproduce better than other organisms in a pop. Increase frequency and pop of that trait from one-generation to the next. Bodies of living organisims are modified over the course of their life through the use or disuses of parts. (traits) These modifications are inherited by offspring. inheritance of acquired characteristics. Darwin-voyage of the beagle(didn"t publish his work over his 20 year period of being a naturalist) The unequal survival and reproduction of organisms due to natural selection: environmental forces, resulting in the preservation of favorable adaptations. Process selects from what is available in gene pool. Selective breeding of agricultural plants and livestock to.
