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Unformatted text preview: Proved hypothesis to be incorrect Cambrian explosion is not an explosion at all, but it took place 80 million years before Cambrian. Hypothermalphyles: bacteria that can live in super heated water, and can survive quite well. Oldest evidence of life on earth: 3.5 billion years old carbon 13 Earth is roughly 5 billion years old. Large Planetesimal collided with the ancient earth (tellus) Force of the impact was so great that both objects melted Lighter portion separated out as the moon, and the heavier material separated as the earth. 17:41 17:41...
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This note was uploaded on 10/04/2011 for the course ISB 200 taught by Professor Ralphtaggart during the Spring '09 term at Michigan State University.
- Spring '09