HIST 2206 Lecture Notes - Lecture 6: The Big Questions, Linnean Society Of London, Selective Breeding
Document Summary
Darwin realized the model for evolution must be branching, open-ended (not ladder, progressive hierarchy) 1842 moved to kent because he disliked london. Darwin had debilitating ailments and health problems beginning soon after his voyage return. 1842 wrote short sketch of discover of natural selection (35 pages) Emma was aware of the dismay his ideas could cause. 1844 embarked on major study of barnacles afraid to publish finally went public because of competition of alfred russel wallace he had the exact same theory of natural selection of darwin. 1858 wallace"s manuscript of theory of natural selection this forced darwin"s hand. July 1858 linnean society meeting excerpts of both darwin and wallace"s presented to charles lyell and hooker. Major theses: common descent: all species, living and extinct, descended without interruption from one or a few original forms of life process of natural selection is primary cause for evolution.
