Human Evolution: an overview. Dr Jeremy Pritchard. Hominoid: Great apes and humans Hominid: Closer to us than gorillas and chimps. You Cuz. Humans did not evolve from Apes You are descended from your mother and father
Human Evolution: an overview
Dr Jeremy Pritchard
Dad Mum Aunt Uncle
Organisms with common features are likely to have a more recent common ancestor.
1. Chimpanzee 2. Australopithecus africanus 3. Homo erectus 4. Homo sapiens
Brains larger than other animals in relation to body size
Log brain weight (g)
Log body weight (g)
Information from the skeleton
Lucy, discovered in Ethiopia in 1974.
Southern Ape of Africa
Homo habilis (ca. 2.5-1.6 mya)
Homo erectus (1.6 mya-300 kya)
NOT our ancestors….
Krings et al 1997 Neandertal DNA Sequences and the Origin of Modern Humans
Microevolution: change in gene frequency - YES
Macro evolution : formation of species - NO
Human Evolution - Chimps are our closest relative
25,000 genes 25, 000 genes