Download Answer Key Chapter 26 Timeline

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Answer Key Chapter 26 Timeline
“Precambrian:”
Archean:
Protobionts
Stromatolites (3.5bya) – first prokaryotes
Oldest Fossils
Bacteria in Rocks
ATP/ETC (3bya)
Prokaryotes Diversify
Autotrophs
Chemo/heterotrophs
Cynaobacteria (2.7bya)
Proterozoic (2.5)
Paleozoic
Oxygen Revolution (2.2bya)
Endosymbiosis
Eukaryotes (2.1bya)
Genetic Annealing,
Plastids
endosymbiosis
Mitochondria / Chloroplasts
Alpha proteobacteria
Multicellular (fossils 1.2bya)
Snowball earth (600mya)
Colonies
Phanerozoic
Paleozoic (600mya)
Specialization
Cambrian Explosion
Terrestrial Bacteria (500mya)
Mesozoic (250mya)
Pangea (250mya)
Continental Drift
Permian Mass Extinction (250mya)
Flowering Plants
Cretaceous Mass Extinction (65mya)
Cenozoic (65mya)
Primates
Humans.
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