Evo

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Author:
ryanwolf
ID:
194361
Filename:
Evo
Updated:
2013-01-28 15:22:04
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Evo
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Evo
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  1. Quaternary (Q)-Cenozoic
    Recent .01, Holocene, 1.8 Pleistocene

    Continents in modern positions, evol of homo sapiens ICE AGE, age of mammals
  2. Tertiary (T) - Cenozoic
    5.3 Pliocene, 23 Miocene, 33.9 Oligocene, 55.8 Eocene, 65.5 Paleocene

    • Continents nearing modern positions
    • ICE AGE
  3. Cretaceous (K) - Mesozoic
    145, most continents separated  mass extinction at end of period for dinosaurs, rise of angiosperms
  4. Jurassic (J) - Mesozoic
    200, continents separating, diverse dinosaurs, first birds, origin of mammals
  5. Triassic (Tr) - Mesozoic
    251, Continents begin to separate  marine diversity increases (age of reptiles), first dino and mammals
  6. Permian (P) - Paleozoic
    299, Pangea, glaciations, major mass extinctions, especially marine life
  7. Carboniferous (C) - Paleozoic
    359, Gondwana and small northern continents form, extensive forests, first reptiles, coal age
  8. Devonian (D) - Paleozoic
    416, Diversification of fish, first amphibians, insects, first land plants
  9. Silurian (S) - Paleozoic
    444, origin of jawed fishes, earliest plants, arthropods
  10. Ordovician (O)- Paleozoic
    488, diversification of echinoderms
  11. Cambrian (C) - Paleozoic
    542, Marine animals diversify, first appearance of most animal phyla, first vertebrates, invertebrates with hard parts
  12. Proterozoic 
    2500, earliest eukaryotes
  13. Archean
    Origin of life, photosynthesis, aerobic respiration

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