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Biomes (Concepts (Two abiotic factors (Climate, Soil), Climate undergone…

- - - - continents drifted together
      - Laurasia
        
        North America collided with Eurasia and Appalachian mountain formed
      - rhyniophytes were evolving
      - Pangaea
        
        virtually all land were located together as one super continents
    - - Age of dinosaurs and lasted almost 180 million years
      - Three periods
        
        Triassic
        
        followed the great mass extinction at the end of the permian period
        
        life outside of the oceans began to diversify
        
        Jurassic
        
        warm wet climate that gave rise to lush vegetation and abundant life
        
        a shifting climate, developing oceans, and huge dinosaurs
        
        Cretaceous
        
        extinction of the dinosaurs except birds
        
        relatively warm climate resulting in high eustatic sea levels
    - - several separate continents
      - Gondwanaland - giant continent southern hemisphere
      - nothing lived on land