Please enable JavaScript.

Coggle requires JavaScript to display documents.

5 mass extinctions - Coggle Diagram

- - - - A rapid onset of mass glaciation covered the southern supercontinent, Gondwana.
        
        Locked away high percentages of water and lowered sea level
        
        Stripped and destroyed habits from species and food chains
    - - Global warming came later
        
        Gamma-ray burst from a supernova ripped an enormous hole in the ozone layer, allowing deadly ultraviolet radiation to kill life
        
        The ones that adapted to the cooler climate weren't able to survive the increased temperature
- - - - That cause dead zones in the ocean without oxygen were many marine animals died
- - - - Eruption of volcanoesreleased a large amount of carbon dioxide into the atmosphere
        
        Causing a greenhouse effect that heated up the planet.
        
        As a result, weather patterns shifted, sea levels rose and acid rain beat down on the land.
- - - - Similar to the Permian extinction, volcanoes released enormous amounts of carbon dioxide
        
        Global temperatures increased, ice melted, and sea levels rose and acidified.
- - - - Blackened skies caused by debris and dust prevented plants from absorbing sunlight
        
        This broke down the dinosaurs food chain