Showing posts with label When and where did life begin on earth? Biology. Show all posts
Showing posts with label When and where did life begin on earth? Biology. Show all posts
Sunday, February 6, 2011
Q: When and where did life begin on earth?
Life on Earth began about 3.5 billion years ago. The first life appeared in the sea. It was born into a world that looked very different from today. The atmosphere was filled with poisonous gases. The sky was pink, and the sea was rusty red.
Subscribe to:
Posts (Atom)