01:119:115 Lecture Notes - Lecture 19: Carl Linnaeus, Binomial Nomenclature, Darwinism
Document Summary
Topic 19 - darwinian evolution (ch 1. 2, 22. 1-22. 3: pre-darwinian ideas, life is constant, carolus linnaeus developed the concept of binomial nomenclature (two names, systema naturae, james hutton 1795 (scottish geologist, gradualism - rocks/world is changing now. Darwin"s work and ideas: background, the voyage of the beagle 1831 -1836. 1858 received manuscript from lord russell wallace: proposed natural selection as one mechanism of evolution, darwin"s logic, definitions: Individuals with most favorable characteristics are most likely to survive and reproduce: b. Unequal ability to survive & reproduce: leads to accumulation of favorable traits in population, darwin"s was also heavily influenced by the economist thomas over generations. Malthus: natural resources are limited, organisms must compete with each other for the resources, since there are more individuals than resources, some individuals do not survive, there are other limits to population growth. Evidence for evolution: artificial selection, human dri(cid:622)en goal, direct observation, 1. Food size change can result in change in beak size: 2.
