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Evolution by Natural Selection. “Charles Darwin had a big idea; arguably, the most powerful idea ever.” Richard Dawkins. Earth is 4.6 billion years old. First life forms 2 billion years ago Dinosaurs from 225 to 65 millions years ago. Humans in last 6 million years.
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Evolution by Natural Selection “Charles Darwin had a big idea; arguably, the most powerful idea ever.” Richard Dawkins.
Earth is 4.6 billion years old. • First life forms 2 billion years ago • Dinosaurs from 225 to 65 millions years ago. • Humans in last 6 million years.
CAT COW HORSE HUMAN
Earth is 4.6 billion years old. • First life forms 2 billion years ago • Dinosaurs from 225 to 65 millions years ago. • Humans in last 6 million years.