BILD 3 Lecture Notes - Lecture 21: Homo Floresiensis, Rhizobium, Spirochaete
30 May 2016
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Document Summary
1. homo heidelbergensis: our immediate ancestor: 700,000 to 200,000 years ago a. i. Europe china eastern and southern africa: european heidelbergensis were likely the ancestors to the neanderthals, whereas the african heidelbegensis likely gave rise to h. sapiens. 2. homo neanderthalensis: 400,000 to 28,000 years ago, europe to southwestern and central asia (not africa, direct ancestors of modern day humans interbred with neaderthals in europe and asia (the middle east), but not africa. 2. homo sapiens: 200,000 years ago to present, humans, chimps, and bonobos are what"s left of a clad of ~20 species. 2. comparison between h. sapiens and our closest living relatives, chimpanzees: add from slides. 2. starting about 50,000 years ago: rapid development of new behaviors and cultures a. i. a. ii. a. iii. a. iv. a. v. a. vi. a. vii. a. viii. 2. sapiens evolved in africa starting 200,000 years ago: 100,000 to 50,000 years ago, a small group left africa, most genetic variation in the human race is in africa.
