BIOL108 Lecture Notes - Thomas Robert Malthus, Gradualism, Blending Inheritance

• School: University of Alberta
• Department: Biology (Biological Sciences)
• Course: BIOL108
• Professor: All

Document Summary

January 14, 2013 lecture # 4 evolution i. 1827 entered clerical studies at cambridge did well in natural theology. Others at the time noticed that there were fossils of organisms that do not resemble any living organisms at the time: reasons for extinction differed: thus the thought of extinction of species occurred. Not actually extinct, we just cant find these species: or perhaps the apparent disappearance of species is actually one species changing slowly into another. (note: extinction did occur, but lamarck was philosophically opposed to it: but scientists did not have plausible mechanisms for evolution. Lamarck was ridiculed for inherited acquired characters hypothesis. This fear of ridicule from the scientific community caused darwin to now publish his theory of natural selection until he had enough evidence. In 1858, alfred russel wallace independently arrived at the same theory as. He was ridiculed by many for his ideas, but provided such sound logic that his arguments were virtually unshakeable.