Do all reptiles have an exoskeleton Do any mammals have an exoskeleton

Do all reptiles have an exoskeleton?

Yes, all reptiles have an exoskeleton. An exoskeleton is a hard, outer covering that protects the body of an animal. Reptiles' exoskeletons are made of scales, which are made of keratin, the same protein that makes up human hair and nails. Scales help to protect reptiles from predators, dehydration, and injury.

Do any mammals have an exoskeleton?

No, no mammals have an exoskeleton. Mammals have an endoskeleton, which is a hard, inner covering that protects the body of an animal. Mammals' endoskeletons are made of bone, which is a strong and lightweight material. Bones help to protect mammals from predators, support their bodies, and allow them to move.

What is the difference between an exoskeleton and an endoskeleton?
- An exoskeleton is a hard, outer covering that protects the body of an animal, while an endoskeleton is a hard, inner covering that protects the body of an animal.
What are scales made of?
- Scales are made of keratin, the same protein that makes up human hair and nails.
What are bones made of?
- Bones are made of bone, which is a strong and lightweight material.
Do all vertebrates have an endoskeleton?
- Yes, all vertebrates have an endoskeleton.
Do all invertebrates have an exoskeleton?
- No, not all invertebrates have an exoskeleton. Some invertebrates, such as jellyfish, have no skeleton at all.

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Do all reptiles have an exoskeleton? Do any mammals have an exoskeleton?

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