BIOL359 Lecture Notes - Lecture 1: Richard Owen, Lumpers And Splitters, Hominidae
Document Summary
Darwin had completed a draft of origin of species by 1844. He did not publish it until 15 years later because he was concerned about personal attacks. He also worries about how others would use his theory of evolution and justify their own status. Social darwinism has been used repeatedly by one ethnic group"s abuse or domination of another group. Did you descend from the ape on your grandmother or. Placental mammals specialized embryonic organ attached to the wall of the uterus. Primates are one of many groups belonging to he euarchontoglires (mid cretaceous 90-80 mya) Great apes appears in the fossil record about 20 million years ago. Hominids appear between 5-8 million years ago. The genus homo is about 2. 8 million years old. Modern humans appear in the fossil record about 195,000 ybp (ethopia) This means that there are different opinions on how many species, genera and families of great apes should be recognized.
