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~ Review of Early Earth through turnitin.com

~ Your test will be submitted through turnitin.com on Thursday 4/2. Today's assignment will review early earth and make sure everyone can turn their work in through turnitin.com

6th: 22844657     enrollment key:  biology62019

Answer the following questions in your own words.

1) What is the significance of the Miller-Urey experiment in terms of life on earth?

2) Explain the importance of the endosymbiotic theory and how the theory addresses the change from simple to complex cells.

3) Describe what happened during the "Oxygen Revolution".

4) Explain how fossils are made.

5) What is the age of a fossil when 25% of carbon-14 remains. The half life of carbon is 5700 years.