Neanderthal 3000 generations ago ancestor lived at same time as Neanderthal 60000 first generation that left Africa Fossils Fossil bones and relics key to past imagine what it is like to travel back in time All fossils would fit in back in car 3 ½ million years ago 3 ½ million years into past 300,000 generations ago Australopithecus Afarensis Nesting in the trees “Lucy” Lives in a troop/ there are rival troops/ territory like modern chimp-10 square miles Walked upright Stand and walk on 2 legs- walk upright live 50 years 8 million years ago Why would apes walk upright on two legs? 8 million ago ancestors in forest used both hands and feet to get around Himalayas developed Dramatic change in landscapes- beneath the sea ocean floor is expanding shifting continents Climate change Himalayas rose up cause monsoons making more dry air in Africa so Less forest =Upright Rain Forests retreat and Great Rift Valley develops Land more sparsely treed therefor they have to spend more time on Why did walking upright give ground. students a competitive See farther- but not safer from predators advantage? In the natural world sex and raising babies important- extra energy important. Energy saved might enable more babies. More babies =species survival Gave them more energy Leads to more change of survival
Neanderthal Fossils 3 ½ million years ago Walked upright 8 million years ago Himalayas developed Climate change Less forest =Upright Why did walking upright give students a competitive advantage? Gave them more energy Leads to more change of survival 3000 generations ago ancestor lived at same time as Neanderthal 60000 first generation that left Africa Fossil bones and relics key to past imagine what it is like to travel back in time All fossils would fit in back in car 3 ½ million years into past 300,000 generations ago Australopithecus Afarensis Nesting in the trees “Lucy” Lives in a troop/ there are rival troops/ territory like modern chimp-10 square miles Stand and walk on 2 legs- walk upright live 50 years Why would apes walk upright on two legs? 8 million ago ancestors in forest used both hands and feet to get around Dramatic change in landscapes- beneath the sea ocean floor is expanding shifting continents Himalayas rose up cause monsoons making more dry air in Africa so Rain Forests retreat and Great Rift Valley develops Land more sparsely treed therefor they have to spend more time on ground. See farther- but not safer from predators In the natural world sex and raising babies important- extra energy important. Energy saved might enable more babies. More babies =species survival
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