Reptiles
Tthey are a little scary but also wonderful!
There are four major groups of reptiles.
Crocodilians Snakes
Chelonians and Lizards
In all, there are over 6500 kinds of reptiles in our world.
Reptiles are cold-blooded. Their body temperature relies on the environment.
Most reptiles hatch from eggs.
All reptiles breathe air through their lungs.
They cannot breathe underwater.
All reptiles have bony skeletons.
All reptiles have dry, scaly skin.
Most reptiles, except snakes and some types of lizards, have four legs.
Species Group: Crocodilians
alligators
Caimans
Gharials and Crocodiles!
All crocodilians are flesh eaters.
Crocodilians continue to grow their entire life.
The largest reptiles are saltwater crocodiles.
Found in Southeast Asia.
At over 20 feet long, weighing over 3000 pounds.
Crocodiles re-grow teeth, like sharks.
Over their life, many crocodiles grow 50 sets of teeth!
Snakes species group
There are about 2700 different types of snakes.
Just over 250 snake species are dangerous to humans.
Only two drops of venom from a black mamba snake
can kill a human in 10 minutes
A King Cobra snake has venom
powerful enough to kill an elephant
Chelonians Species Group
Sea Turtles
and Tortoises
Sea Turtles, which live in the water
and tortoises which live on land are reptiles.
Galapagos Tortoises can live longer than most other animals.
Some Galapagos Tortoises have lived longer than hundred eighty years.
Lizards
The smallest lizards are Gecko lizards at 0.75 inches,
2 centimeters in length.
Dinosaurs were reptiles,
but they are now extinct.
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