Question

If one leg is cut off,it can grow a new one
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Answer 1

Explanation:

Spiders. Spiders can regrow any one of their eight legs if they happen to lose one. In order for a spider to grow they have to shed the skin of their hard outer shell called an exoskeleton. This is also known as molting.

Answer 2

Answer:

no it can't grow because bone can not grow