ANT203Y1 Lecture Notes - Platypus, Asteroid Family, Pleiotropy
Document Summary
Darwin was a collector of species, one morning he collected 69 species. Able to determine what environment a turtle came from due the curved shell (curved shell= dry, while smooth shell= wet land. He collected several species of beetles, when he came home he sent them to be analysed. Bird may lay 50 eggs a year but only 2 are needed to continue natural order and those 2 will be have greater chance of surviving and be more dominant and special= natural selection. He wrote 12 letters daily to scientist and naturalist all over the world. All domestic dogs come from wolves, and ppl domestic dogs based on traits. The platypus was a mixture of reptiles and mammals because it swims in water and lays eggs. Part reptile and part fish was found in as a fossil= interbreeding btw species. Alferd walence had same idea of natural selection, which was same as dawins theory.
