Describe how the Triassic period was a transitional time period during the Mesozoic
era. Explain why the boundary between t he Triassic and Jurassic periods is similar to
the boundary between the Permian and Triassic periods.?
era. Explain why the boundary between t he Triassic and Jurassic periods is similar to
the boundary between the Permian and Triassic periods.?