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An animal without a backbone is known as a(an) _____.

vertebrate
hermaphrodite
polyp
invertebrate

User Nick Taras
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1 Answer

7 votes
An animal without a backbone is known as an invertebrate. A vertebrate is n animal that has a spine. And I am pretty sure polyp and hermaphrodite have really nothing to do with the backbone. Hope this helped!
User DoomMuffins
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