Evolutionary Biology Theories

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  • Created by: Alysia
  • Created on: 22-11-11 22:38

Ocean Surface

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  • Life started in a tidepool, pond or moist clay
  • UV rays and/or lightning energised volcanic gases to form prebiotic molecules in the froth produced
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Panspermia

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  • Living organisms were seeded on Earth via comets and/or meteors
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Undersea Thermal Vents

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  • Life arose in volcanic vents
  • Volcanoes provided the anoxic (without oxygen) environment and necessary gasses, energy and catalysts for the formation of prebiotic compounds
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