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Why are humans shaped like they are?

Why are humans shaped like they are?
Nicky Lofthouse from Stockton on Tees (Aged 5-14)

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One Response

  1. Humans are vertebrates, a group of animals with a basic body plan of a back bone and four limbs with five digits on the end. If you go to a museum and look at the skeletons you will see this pattern again and again in fish, reptiles, birds, dolphins and more recognisably – the primates. This plan works well for animals that swim or walk on land, but we are, of course unique in that we have an upright stature. Scientists argue a lot about why we are upright: some think we evolved to be upright when we moved from the trees to the African plains, millions of years ago. Other people think we were once aquatic! Its a very good question!

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