"Octopuses, clams, sea worms, even coral: they're all marine invertebrates. Having no internal skeleton gives them an interesting shape--not to mention unusual ways of moving around, getting food, and protecting themselves"--Amazon.com.
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"Octopuses, clams, sea worms, even coral: they're all marine invertebrates. Having no internal skeleton gives them an interesting shape--not to mention unusual ways of moving around, getting food, and protecting themselves"--Amazon.com.
Read Less