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History of Life - Coggle Diagram
History of Life
Mass Extinctions
Ordovician
444 MYA
75%
Devonian
360 MYA
70%
Permian
251 MYA
90%
Triassic
20 MYA
60%
Cretaceous
66 MYA
75%
Era
Paleozoic Era
Cambrian Period
lasted over 300 million years
Mesozoic Era
Jurrasic Period
massive size dinosaurs
small & insignificant mammals
Cretaceous Period
dinosaur extinction
adaptive radiation
mammals moved into habitats vacated by dinosaurs
Triassic Period
nonflowering seed plants become dominant
Cenozoic Era
adaptive radiation
diverse and plentiful flowering plants
primitive evolution began
Invasion of Land
Invertebrates
arthropods - 1st animal on land
outer skeleton
jointed appendages predated to live on land
Vertebrates
fishes 1st appeared( Ordovician period)
Amphibians 1st appeared (Devonian period)
amphibian diversified (Carboniferous period)
Plants
seedless vascular plants flourished (Carboniferous period)
seedless vascular plants (Silurian period)