Question

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1) what is endoskeleton and exoskeleton ?
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Answer 1

Endoskeleton- an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.

Exoskeleton- a rigid external covering for the body in some invertebrates animals, especially Arthropods, providing both support and protection.

Answer 2

Answer:

An endoskeleton is formed on the inside of an animal's body, while an exoskeleton is formed on the outside of an animal's body. ... An endoskeleton can support a large body size and is often made of bone. An exoskeleton cannot support a large body size and is often made of chitin or minerals.

Explanation:

endoskeleton - It is an internal skeleton present inside the body of a living organism, e.g. a bony or a cartilaginous skeleton of vertebrates.

exoskeleton - The endoskeleton mainly comprises bones and cartilage

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