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Question
Write a short answer.
What is an exoskeleton? How is it different from a backbone?
Solution
The exoskeleton is a tough outer covering of an animal body. e.g. Crab, lobster have exoskeletons.
Exoskeleton
- It is a rigid external covering of the body that provides support and protection to the body.
- It is present in invertebrates.
- Examples: Crab, lobster, spiders, scorpions, etc.
- It is in the form of a shell, or scales or feathers, etc.
Backbone
- It is an internal skeleton (endoskeleton) that provides support and protection to the body.
- It is a present invertebrate.
- Examples: Humans, fish lions, dogs, etc.
- It is made up of a number of vertebral joined to form a vertebral column.
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