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🦎 Reptiles

Scaly, cool, and ancient — get to know the world of reptiles!

lessons

~15 min

to learn

🔬 Science

subject

Ages 6–12

level

Start the course →

What you’ll learn

Explain what makes an animal a reptile and how scales, cold-bloodedness, and eggs help reptiles survive.Reptiles have dry, scaly skin, breathe air, and are cold-blooded, warming up from their surroundings. Most lay leathery eggs, and there are more than 11,000 kinds living on nearly every continent.
Compare the main reptile groups and describe why reptiles matter in nature.Snakes, lizards, turtles, tortoises, crocodiles, and alligators each have special features. Reptiles help balance nature by controlling pests and feeding other animals, and people can help protect them.

Questions this course answers

What covers a reptile's body?

Reptiles have dry skin covered in tough scales that helps keep water in.

What does it mean that reptiles are cold-blooded?

Cold-blooded reptiles get their heat from the world around them, like basking in the sun.

How do most reptiles begin life?

Most reptiles hatch from eggs, often with soft, leathery shells.

How do snakes move without any legs?

Snakes slither by moving their muscles in waves along their long bodies.

What is a turtle's shell made from?

A turtle's shell is part of its skeleton and acts like built-in armor.

Which are the largest reptiles alive today?

Crocodiles and alligators are the biggest living reptiles, with powerful jaws and tails.

Grounded in trusted sources

National Geographic Kids: Reptiles (kids.nationalgeographic.com/animals/reptiles)
Britannica: Reptile (britannica.com/animal/reptile)
San Diego Zoo Wildlife Alliance: Reptiles (animals.sandiegozoo.org)
National Wildlife Federation: Reptiles (nwf.org/Educational-Resources/Wildlife-Guide/Reptiles)

Every Wunder lesson is built from real, reputable sources — never invented.

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