notes:history
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
notes:history [2026/06/05 01:44] 114.119.135.121 old revision restored (2008/11/18 00:46) |
notes:history [2026/06/07 18:30] (current) 78.154.231.253 old revision restored (2008/11/18 01:18) |
||
|---|---|---|---|
| Line 57: | Line 57: | ||
| * 3.8 bya - first life on Earth | * 3.8 bya - first life on Earth | ||
| * 3.5 bya - photosynthesis starts | * 3.5 bya - photosynthesis starts | ||
| - | * 3.3 bya - 2.8 bya - Vaalbara supercontinent exists | ||
| * Proterozoic Eon : 2.5 bya - 550 mya | * Proterozoic Eon : 2.5 bya - 550 mya | ||
| * 2.4 bya - oxygen becomes significant component of the atmosphere | * 2.4 bya - oxygen becomes significant component of the atmosphere | ||
| + | * 1 bya - multicellular plants (algae) and animals | ||
| * 1 bya - 800 mya - Rodinia supercontinent exists | * 1 bya - 800 mya - Rodinia supercontinent exists | ||
| * 770 - 750 mya - first ice age | * 770 - 750 mya - first ice age | ||
| - | * before | + | * before |
| * Paleozoic (Primary) Era : 550 - 250 mya | * Paleozoic (Primary) Era : 550 - 250 mya | ||
| * Cambrian - small shelled animals, corals | * Cambrian - small shelled animals, corals | ||
| Line 68: | Line 68: | ||
| * Silurian - land plants, ferns, sharks, fish | * Silurian - land plants, ferns, sharks, fish | ||
| * Devonian - first tetrapods - evolution of fish onto land | * Devonian - first tetrapods - evolution of fish onto land | ||
| - | * Carboniferous - reptiles, amphibians, spiders, | + | * Carboniferous - reptiles, amphibians, spiders, |
| - | * Permian - more synapsids (mammal-like reptiles) | + | * Permian - more synapsids (proto-mammalian |
| + | * 250 mya - Extinction event, 95% of life dies off | ||
| * 300 mya - 250 mya - last supercontinent Pangaea exists | * 300 mya - 250 mya - last supercontinent Pangaea exists | ||
| * Mesozoic (Secondary) Era : 250 - 65 mya | * Mesozoic (Secondary) Era : 250 - 65 mya | ||
| Line 75: | Line 76: | ||
| * Jurassic - squids, frogs, birds | * Jurassic - squids, frogs, birds | ||
| * Cretaceous - more dinosaurs, flowering plants, snakes, modern fish, toothed birds | * Cretaceous - more dinosaurs, flowering plants, snakes, modern fish, toothed birds | ||
| + | * 65 mya - Meterorite extinction event (off Yucatan peninsula) kills off most large animals | ||
| * Cenozoic Era : 65 mya - present | * Cenozoic Era : 65 mya - present | ||
| * Tertiary - more mammals, grasses, apes, hominids | * Tertiary - more mammals, grasses, apes, hominids | ||
notes/history.1780649067.txt.gz · Last modified: 2026/06/05 01:44 by 114.119.135.121
Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Noncommercial-Share Alike 4.0 International
