Biology, asked by triggerAVS311, 6 months ago

Group of animals doesn't have backbone

Answers

Answered by kashmirabairagi2

Explanation:

Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group - they do not have a backbone. Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates - they all have internal skeletons and backbones.

Answered by jennie1457

Invertebrates!!!!!!.......

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