Origin of Life, Viruses

Origin of Life, Viruses - Origin of Life Origin of Universe...

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Origin of Life Origin of Universe ~ 13-15 B.Y.A. BIG Bang Theory All matter –energy condensed H formed then He Present 92.8% H; 7% He; rest of elements 0.1% Formation of galaxies Formation of Stars and Solar Systems function of gravity and angular momentum
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Origin of Earth ~ 4.6 B.Y.A. As a part of the solar system Condensation of matter associated with sun Formation of the core mantle, crust, and atmosphere
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Formation of Atmosphere Primary atmosphere N Ar Ne Secondary atmosphere developed gradually and was anoxic N 2 CO 2 H 2 O H 2 NH 3 CH 4 Reducing atmosphere Important that all O was bound as oxides Formation of bodies of water (free water) H 2 O bound as hydrates to other elements and heat released water vapor from minerals slow process Comet hypothesis
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H O vapor Vapor condensed in atmosphere led to rain— formation of streams, rivers, lakes and finally seas Formation of seas form continents (large land masses) ~ 1.0 by after formation of earth
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This note was uploaded on 12/09/2009 for the course BIO 200 taught by Professor Herreid during the Spring '07 term at SUNY Buffalo.

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Origin of Life, Viruses - Origin of Life Origin of Universe...

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