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Origin of Life

  1. 1st living organisms were______
    Single cell, Prokaryotes, Bacterium
  2. 1st organisms also were ___
    Anaerobic
  3. Aerobic prokaryotes arose with _____
    the existence of oxygen
  4. Eukaryotes arose in _______
    1.4 billion years ago
  5. Different Periods in life in Paleozoic Era
    • Permian
    • Carboniferous
    • Devonian
    • Silurian
    • Ordovician
    • Cambrian
  6. Cenozoic Era
    • Quaternary
    • Tertiary
  7. Mesozoic Era
    • Cretaceous
    • Jurassic
    • Triassic
Author
Anonymous
ID
75357
Card Set
Origin of Life
Description
Chapter 17
Updated

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