Question

What do you mean by skeletal system? Do all animals have bones? If no, then classify them on the basis of presence or absence of backbone with examples.​

Answer 1

Not all animals don’t have bones they have muscles instead of bones, for example; earthworms and snails.
Earthworms have tiny Bristles under the body and this helps them to move and snails have muscular feet and which help them to move.



Hope this helped!!!

Answer 2

Answer:

Not all animals don't have bones they have muscles instead of bones, for example; earthworms and snails. Earthworms have tiny Bristles under the body and this helps them to move and snails have muscular feet and which help them to move. Hope this helped!!!

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