BLG 144 Lecture Notes - Lecture 1: Georges-Louis Leclerc, Comte De Buffon, James Hutton, Political Economy
1 Feb 2018
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Judeo-christian culture account of creation-all species were individually designed and permanent: carl linnaeus de(cid:448)eloped (cid:272)lassifi(cid:272)atio(cid:374) s(cid:272)he(cid:373)e to (cid:396)e(cid:448)eal god"s pla(cid:374) Individuals change in response to their environment and then pass on those changes to their offspring: ex. The giraffe elongation of neck: longer necked individuals are more successful because they can feed n taller trees and pass this trait to offspring (not true) 1831-1836: voyage of the hms beagle: galapagos tortoise, marine iguana, terrestrial iguana, galapagos mockingbirds. Darwin on malthus: favourable variations would tend to be preserved and unfavourable ones would be destroyed. Individuals best adapted to the surroundings will have greatest reproductive success, therefore leave the most descendants: need to leave offspring to be fit ability to reproduce leaves genes to next gen. When it loses its value in a changing environment: vestigial traits are another line of evidence that the characteristics of species have changed over time, ex.
