BIO 2150 Chapter 24 Notes I Human Evolution A Hominins humans and their immediate ancestors B Hominins are the sister clade of the chimpanzees and bonobos C Hominins include species in lineages that led to modern humans D The earliest hominin fossil was found about six million years ago E The oldest hominin fossils are found exclusively in Africa II Bipedalism A Bipedalism is one of the major changes that allowed humans to evolve B Bipedalism caused skeletal changes in C Australopithecus Afanesis AKA Lucy was the first fully bipedal hominin III Body Trends in Hominins Over Time A Hominins increased their body size B Hominins increased their brain size C Sequencing of Neanderthal DNA supports Neanderthals as a sister clade from apes 1 Skull 2 Spine 3 Legs 4 Feet to humans
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