BIOL 1010U Lecture Notes - Lecture 32: Balancing Selection, Ronald Fisher, Selective Breeding
Document Summary
Darwin, evolution and natural selection lecture (part 2) Textbook reference: chapter 21 in biology how life works (2nd ed. ) Sections 21. 4 21. 6; pp. 432 to 441. Explains how organisms have arisen and diversified from earlier organisms. Evolution is the change over time in allele frequencies in a population of organisms. The theory is a foundation of modern biology, genetics, and ecology. Why didn"t darwin introduce his theory publicly. In 1844, darwin wrote an essay on the origin of species and natural selection. He did not introduce his theory publicly because it was controversial. During june 1858 darwin received manuscript from alfred. His theory of natural selection was similar to. Darwin quickly finished the origin of species and published it the next year. On the origin of species by means of natural selection (nov. 24: stressed two major points, current species are descendants of ancestral species. Ancestral species differ from modern species: natural selection provided a mechanism for this evolutionary change.
