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Explore scientific evidence supporting origin of life models and Earth's formation. Learn about common genetic code and molecular building blocks shared by all organisms. Watch now!
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EK 1D2 Scientific evidence from many different disciplines supports models of the origin of life
Formation of Earth When did earth form? 4500 mya How old are the earliest fossils?3500mya http://www.youtube.com/watch?v=jTCoKlB0s4Y
Organisms on Earth share a common ancestral origin of life. Scientific evidence includes molecular building blocks that are common to all life forms. Scientific evidence includes a common genetic code