Monday 8 March 2021

History notes, Lucy and migration of humans

 Where do human come from?

-       For millions of years, monkeys live in forests and jungles (long arms and tails)

-       Hot, humid, tropical weather (tall trees: shelters and food)

-       Continents constantly move (about 2cm per year), after a few million years, some places became colder, less rain

-       Tall trees became woodland or shrubs

-       Monkeys must learn to live on the ground to look for food and stay away from enemies

-       Evolute to longer legs to stand up and look ahead; shorter arms (no need to swing between trees), shorter tails

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- About 50000 years ago, wise men crossed Bering Strait and arrived in North America (Alaska, Yukon, NWT)

- they were stuck in those locations for about 5000 years. Big ice sheets covered the rest of North America (south of Yukon, NWT)

- we found spear points (sharpened rocks and bones), signs of fire (cooking, keep warm)

- carbon 14 dating – can determine the date when the wood was burned or when the animal bone was formed (within 200 to 300 years)

- they still chased after animals for food (bison, buffalo, mammoth, caribou). Hunt as a group/tribe

 

- when the ice sheets started melting, they moved south to the rest of Canada, US, Mexico and even South America

- these are the Native People who arrive in North America first, before the Europeans

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