Invertebrates are animals with no bony internal skeleton, hence no backbone. They may or may not have a hard exoskeleton. Examples with an exoskeleton: crustacea (crabs, lobsters and the like) and all insects. Examples without an exoskeleton: jellyfish and worms.
It's any animal without a spine. sponges, jellyfish, worms, mollusks, octopi, lobsters, crab, insects, scorpion, and starfish :)
Invertebrates are animals without a backbone.
Examples of invertebrates are *jellyfish *octopus ect.
Some Further examples would be * Worms* Bugs* Star fish* Crabs* Sea Urchins .Insects , crabs , tape worm ,shell fish ,jelly fish ,etc.
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