Origin and Diversity of Reptiles

The video explores the rich fossil history of dinosaurs in Northwestern Colorado, discussing their extinction theories. It then delves into the classification of reptiles, covering the orders Rhychocephalia, Chelonia, Squamata, and Crocodilia. Each section highlights the unique features, behaviors, and adaptations of these reptile groups, including turtles, lizards, snakes, crocodiles, and alligators.

What is one of the possible explanations for the extinction of dinosaurs?

• The emergence of mammals

• A huge meteor impact

• A massive volcanic eruption

• A sudden increase in oxygen levels

Which order of reptiles includes only two living species known as tuataras?

• Chelonia

• Squamata

• Rhychocephalia

• Crocodilia

What is the main distinguishing feature of animals in the order Chelonia?

• Their scale-like shell

• Their ability to change color

• Their venomous bite

• Their long snouts

Which of the following is a characteristic of most lizards?

• They have no legs

• They are herbivorous

• They have a pointed snout

• They are covered with scales

What feature helps snakes swallow prey larger than their head?

• Their sharp teeth

• Their flexible jaw

• Their venomous bite

• Their long body