Dinosaurs
Dominant Mesozoic land vertebrates that walked with their legs positioned directly behind their hips.
What is a dinosaur?
A time when a large proportion of Earth was covered by glaciers.
What is an ice age?
A type of dinosaur that had a long body, small head, and flippers for fins.
What is a Plesiosaur?
A dinosaur that could fly because it's large bat-like wings.
What is a Pterosaur?