BIOL 1202 : BIOL 1202 Exam 1
Document Summary
Descent with modification: a darwinian view of life (ch. Pre-darwinian theory of evolution: lamarck, use & disuse, bodies of living organisms are modified through use or disuse of parts, inheritance of acquired characteristics, these modifications are inherited by offspring, these ideas turned out be wrong. Evolution by natural selection: darwin and wallace developed the theory independently, darwin voyage of the beagle, wallace naturalist in indonesia. Artificial selection: selective breeding of organisms to encourage the occurrence of desirable traits, analogous to natural selection. Homologous & analogous structures: homologous, structures or other attributes in different species that resemble each other because of common ancestry, analogous, structures that are similar in function but not in structure and developmental and evolutionary origin. Homologous structures: vertebrate embryos: all vertebrates share similar developmental genes, differences arise by some genes being switched on or off at varying times during development.
