During the Mesozoic, sea levels were higher than present day.
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Glacial environments are an example of a transitional deposi…
Glacial environments are an example of a transitional depositional environment.
None of the reptiles from the Cretaceous period survived the…
None of the reptiles from the Cretaceous period survived the end-Cretaceous mass extinction.
Birds evolved during the Jurassic.
Birds evolved during the Jurassic.
Dinosaurs are examples of ____.
Dinosaurs are examples of ____.
Of the three rock types, igneous rocks are the best suited f…
Of the three rock types, igneous rocks are the best suited for radiometric dating techniques.
Which animal below is a mammal?
Which animal below is a mammal?
The Ornithiscian dinosaurs are known as the lizard-hipped di…
The Ornithiscian dinosaurs are known as the lizard-hipped dinosaurs.
Tyrannosaurus rex is an example of a theropod, a lizard-hipp…
Tyrannosaurus rex is an example of a theropod, a lizard-hipped dinosaur.
Which mammals reproduce and give birth live young?
Which mammals reproduce and give birth live young?