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Earth science 13.3
 

Earth science 13.3

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    Earth science 13.3 Earth science 13.3 Presentation Transcript

    • 13.3 Mesozoic era: Age of Reptiles
    • Dinosaur• Land- dwelling reptile of the Mesozoic era
    • gymnosperm• Seed- bearing plant that bears its seeds on the surfaces of cones
    • Key Concept• A major event of the Mesozoic era was the breakup of Pangea.
    • Key Concept• The gymnosperms quickly became the dominant plants of the Mesozoic.
    • Key Concept• With the perfection of the shelled egg, reptiles quickly became the dominant land animals.
    • Key Concept• At the end of the Mesozoic, many reptile groups became extinct.