Mesozoic Climate and Geography Flashcards
1
Q
Q: Why were Mesozoic climates warmer than today?
A
A: High volcanic activity released greenhouse gases like carbon dioxide, and the arrangement of supercontinents affected heat distribution.
2
Q
Q: Were there polar icecaps during the Mesozoic?
A
A: No, warmer global temperatures and ocean currents prevented icecap formation.
3
Q
Q: Name two polar dinosaurs from the Early Jurassic and Early Cretaceous.
A
A: Cryolophosaurus (Jurassic, Antarctica) and Leaellynasaura (Cretaceous, Australia).
4
Q
Q: What was the Western Interior Seaway?
A
A: A massive inland sea that split North America into subcontinents during the Late Cretaceous.
