Short Prehistory

Question 0

History of Earth

Answer 0

-earth is 4.5 billion years old
-earliest life on earth 4 billion years ago
First human like animals 2.7 million years ago.

Question 1

History of the universe

Answer 1

• 13.7 billion years old

- 90 % of the mass in the universe is Dark Matter

Question 2

History of Humans

Answer 2

• diverged from chimpanzees 5-6 years ago
• increased brain size
• Homo Habilis appeared 2.3 million years ago
• Homo Sapians emerged in Africa 250000 years ago