20 likes | 150 Views
Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES. The Early Reptiles. Dinosaurs – lost in the mass extinction. Mass extinction – hit of an asteroid; global broiling hypothesis. Some survived – evolved in forests, swamps & open habitats.
E N D
The Early Reptiles • Dinosaurs – lost in the mass extinction. • Mass extinction – hit of an asteroid; global broiling hypothesis. • Some survived – evolved in forests, swamps & open habitats. • Reptiles that survived – crocodilians, turtles, tuataras, snakes and lizards as well as birds.