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Permian Extinction, (Permian Extinction) - Coggle Diagram
Permian Extinction
Volcanic Eruptions
lava and ash released
greenhouse gases released
Permian Extinction
Volcanic Eruptions (Siberian Traps)
Time: 252 million years ago
Main Cause: Massive volcano eruptions
Effect on Life: Ecosystems collapsed
lava and ash released
greenhouse gases released
CO2 increased
Earth heated up
many plants and animals died
Climate Change
Time: Late Permian Period
Main Cause: Greenhouse gases trapping heat
Effect on Life: Mass extinction increased
temperatures rose greatly
oceans became warmer
habitats were destroyed
species could not survive
Ocean Problems
Time: During extinction event
Main Cause: CO2 absorbed into oceans
Effect on Life: Most sea species disappeared
oceans became acidic
oxygen levels dropped
marine life suffocated
coral reefs died
Food Chain Collapse
Time: During extinction
Main Cause: Environmental destruction
Effect on Life: Many land animals died
plants died
herbivores lost food
carnivores lost prey
ecosystems broke apart
The Great Dying
Time: 252 million years ago
Main Cause: Combination of disasters
Effect on Life: Nearly all life was wiped out
biggest extinction in Earth history
90–96% marine species extinct
70% land species extinct
Recovery of Life
Time: Millions of years later
Main Cause: Environment recovered slowly
Effect on Life: New species evolved
Earth slowly stabilized
new ecosystems formed
early dinosaurs appeared