History of the Universe eBook. 398 pages, 300 illustrations only $2.99
It seems that modern people, Homo sapiens, appeared in Africa about 200 thousand years ago (although the date is far from clear) and lived there while the were spreading around the world.
Some may find it hard to accept that humans have evolved from animals, yet there are many facts leading to this conclusion. Human cells are , the same as animal cells. Our and are almost identical to some of the . So are our tissues and organs. bones have been found, showing how people evolved.
The main difference between people and other animals is their ability to solve problems, which comes from the large size of their brain, and their ability to pass on their solutions to others, which comes from their use of language.
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