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8.7 Human Evolution. Pages 358-365. Our uniqueness . Complex reasoning abilities Enormous aptitude for learning Design and use of tools Language. Physical. Large brain Fine motor skills Bipedal. Examples. Prosimians Anthropoids Hominoids. Cladogram. DNA.
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8.7 Human Evolution Pages 358-365
Our uniqueness • Complex reasoning abilities • Enormous aptitude for learning • Design and use of tools • Language
Physical • Large brain • Fine motor skills • Bipedal
Examples • Prosimians • Anthropoids • Hominoids
DNA • Humans and chimpanzees share 98.8% of their DNA
Primates • Large brains • Forward looking eyes • Arms that rotate • Flexible hands and feet • Opposable thumbs • tails
Early ancestor • 60-70 mya
Fossils • Skull size • Hips, feet, leg bones, insteps • Tools and burial sites
Timeline • 6-7mya Sahelanthropuswalked upright
Timeline • 3.4 mya • Australopithecus aferensis
Timeline • 3.6 mya
Timeline • 2mya • Homo habilis(handy man)
Out of Africa • 1.9 mya • Homo erectus wanders throughout Europe and Asia
Timeline • 200 000-800 000 ya • Homo heidelbergensis
Timeline • 500 000 ya • Homo neanderthalensis • Europe
Timeline • 100 000 ya • Homo sapiens
The last 1000 generations… • Developed agriculture • Lived in cities • 6000 languages • Rituals, customs, belief systems
The last 10 generations… • Human population explosion
Current human evolution • Lactose tolerance • Sense of taste • Medicine suppresses our natural response to illness. • Vitamin D • CCR5-D32 gene protects 10% of Europeans from HIV disease