What are some characteristics of reptiles? How do they differ from mammals?

Answer 1

Some characteristics of reptiles are:
- Cold-blooded
- Covered in scales or bony plates
- Lay eggs
- Breathe air through lungs
- Have a three-chambered heart

Reptiles differ from mammals in several ways:
- Mammals are warm-blooded, meaning they can regulate their body temperature internally, while reptiles are cold-blooded and rely on external sources of heat to regulate their body temperature.
- Mammals usually have hair or fur covering their bodies, while reptiles have scales or bony plates.
- Mammals typically give birth to live young, while reptiles lay eggs.
- Mammals have a four-chambered heart, while reptiles have a three-chambered heart.