Origin Of Life

Origin Of Life
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Storyboard Description

AP BIO

Storyboard Text

  • Primitive Earth
  • Earth 4.6 BYA
  • Earth 3.9 BYA
  • Primitive Earth had a toxic atmosphere that was too hostile for any life to exist.
  • Development of Species
  • Earth 4.6 BYA started to cool from molten into rocks, but was still to hostile for life.
  • Evolution of Species
  • Earth 3.6 BYA had conditions in which the first signs of life erupted; microscopic organisms.
  • Present Earth
  • As these microscopic organisms developed and increased with the world becoming more adaptable, they started to develop into the first early species.
  • Common ancestral origin of species.
  • Natural selection gives us the animals and species we see today, which all developed from a common ancestor.
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