Question

animals that do not have backbone
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Answer 1

Answer:

there are some animals that don't have backbone such as earthworms, Fish, reptiles, birds, amphibians, mammals, spider, crabs, etc.

Answer 2

Answer:

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

Explanation:

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