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4 Cards in this Set

  • Front
  • Back
the pattern of evolution over large time scales
macroevolution
where does the earliest evidence of life on earth come from
fossils of microorganisms about 3.5 billi years old
speculative four main stages of the inception of simple cells
1. abiotic synth of small organic molecules
2. joining of molecules into macromolecules
3. packaging of molecules into probionts
4. origin of self-replicating molecules
droplets with membranes that maintained an internal chemistry different from that of their surroundings
protobionts