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Permian Extinctio - Coggle Diagram
Permian Extinctio
volcanic eruptions (Siberian Traps)
lava and ash released
ash blocked sunlight
temperature freezing
SO2 released
blocked sunlight
greenhouse gases released
CO2 increased
global warming
temperature rose about 5°C
methane released from oceans
Earth became hotter
ocean and life catastrophe
oceans became warmer
no oxygen
marine life suffocated
purple sulfur bacteria grew
food chain collapse
oceans became acidic
coral reefs died
95% dead life on Earth
climate change
extreme heat spread
habitats destroyed
species could not survive
droughts increased
plants died
The Great Dying
Time: 252 million years ago
biggest extinction in Earth history
96% marine species extinct
70% land species extinct
food collapse
herbivores lost food
carnivores lost prey
ecosystems broke apart
sedimentary rocks
tell us what happened and when
red rocks show dry conditions
greenish rocks show wet conditions
recovery of life
Earth slowly stabilized
new ecosystems formed
early dinosaurs appeared