BIOL 1202 Chapter : August 21 Ch 22 BIOL 1202
Document Summary
Descent with modification: a darwinian view of life. Evolution: 2 main ideas: change over time of the genetic composition of a population, descent of modern organisms with modification from pre-existing organisms. Accumulation of inherited characteristics that enhance organisms" ability to survive in specific environments. Giraffe necks: use & disuse, 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 map for church/england to royal society. Darwin & wallace developed the theory independently. Darwin voyage of the beagle on the coast of south america (5 years) to. Wallace naturalist in indonesia; wallace gave report while suffering from malaria to darwin and darwin compiled each others" work and submitted it. Process selects from what is available in gene pool only! The unequal survival and reproduction of organisms due to environmental forces, resulting in the preservation of favorable adaptations.
