REPTILIAhttp://www.youtube.com/watch?v=QKS9SBxFPaE

Characteristics

Reptiles: snakes, lizards, dinosaurs, crocodiles

1. Covered with scales: tough and dry2. 2 paired limbs adapted for climbing, running

or paddling (or absent in snakes)3. Very bony skeleton4. Respiration by lungs5. Ectothermic 6. Separate sexes- Internal fertilization7. Eggs covered in leathery shells8. Jaws designed for applying crushing or

gripping force to prey

turtle vs tortoise

Turtles: swim, like water, webbed feet, don’t like the heat

Tortoise: larger, land, stubby feet for walking, get warm in the sun

sea turtle migration

A female leatherback sea turtle heaves herself from the surf at night to nest. Females often return to the same nesting areas where they were born to produce their own offspring.

Lizards, Snakes, & Worm Lizard

Lizards, Snakes, & Worm Lizard Lizards: Geckos, iguanas, skinks, and

chameleons

chameleons

iguana

Gila MonsterGila monster

Snakes, lizards and worm lizards

Snakes

10 deadliest snakes

Crocodiles & Alligators:

Crocodiles: more aggressive and have a V shaped mouth

Alligators: Less aggressive and have a U shaped mouth

super crocs

Crocodiles & Alligators: Order Crocodilia