Role in The History of Life
History of life -4500 — – -4000 — – -3500 — – -3000 — – -2500 — – -2000 — – -1500 — – -1000 — – -500 — – 0 — Ph
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n ← Meteor Bombardment ends; first geochemical signs of life ← Earliest stromatolites ← ? Beginning of photosynthesis ← ? Beginning of atmospheric oxygen ← ? First eukaryotes ← ? First multicellular organisms ← Ediacaran organisms ← Cambrian substrate revolution Phanerozoic eon
Proterozoic eon
Archean eon
Hadean eon
A very brief history of life on Earth.
Axis scale is in millions of years ago. Further information: Timeline of evolution
Read more about this topic: Microbial Mat
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