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Science Online is a great resource for this information. (You may have access through your local library ) According to Science Online an octopus is described as, "An eight-armed marine invertebrate (animal without a backbone). Octopuses are found in all oceans, from the water's edge to depths of at least three miles (4,800 m)" Starfish (now known as sea stars) are also an invertebrate, and as noted by Science Online, "creatures of the class Asteroidea in the phylum Echinodermata." According to Science Reference Library, Echinodermata is further described as, "…have[ing] arms or spines that radiate from the center of their body."
Wiki User
∙ 8y ago
Wiki User
∙ 6y agoIt is a invertebrates because a octopus has no backbones.
Wiki User
∙ 15y agoYes, they are.
Wiki User
∙ 8y agoan octopus has no backbone
Wiki User
∙ 12y agoInvertebrates.
Wiki User
∙ 12y agoNo, they do not have a backbone.
Wiki User
∙ 13y agoyes
Wiki User
∙ 13y agoyes
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What groups of invertebrates live only in the water?
sponge , starfish and octopus
What animals are invertebrates in addition to worms and starfish?
All insects are invertebrates, as are crustaceans such as lobsters and crabs. Clams, octopus, squid, and jellyfish are all invertebrates.
Do octopus have a skeleton?
No, octopus are invertebrates
Are starfish reptile?
Starfish are not reptiles. They are invertebrates.
Are starfish like a octopus?
Well starfish have 5 sides, and an octopus has 8 legs that squirm around.
What animal a invertebrates?
An octopus.
Starfish are invertebrates?
A starfish has no back bone so therefore is an invertebrate
Are octopus and butterfly vertebrates or invertebrates?
They're both invertebrates.Octopus are invertebrates.
What are name of animals that are invertebrates?
Squid, octopus, worms, snails, caterpillars, crab, starfish, jellyfish, spiders, sponges, lice, ants, mites, and flies have no backbones.
Is an octopus a vertebret or invertebret?
The octopus, along with its cousins the cephalopods, are invertebrates.
Is a octopus a invertebrates or a vertebrates?
An octopus is an invertebrate.
Are starfish a vertebrate?
no they don't have a backbone. so they are a invertebrate.
