What is an in cephalopod?
An active predatory mollusk of the large class Cephalopoda, such as an octopus or squid. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, and a set of arms or tentacles modified from the primitive molluscan foot.
Cephalopods comprise a class of invertebrate animals, meaning without a backbone, that includes animals such as the octopus, the squid, the cuttlefish and the nautilus.
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