totally!!they hav a short backbone but a backbone none-the-less
i don't think it does. i think it's an inverebrae.
no it's justit'sshelling! no it's justit'sshelling!
Yes it does! A sea lion is a mammal, which means it has a spine.
Snails are invertibrates, meaning that they do not have a backbone. Snails do have a shell which they use for protection and support like a backbone.
No. They are invertebrates.
does a banded sea krait have a backbone
Yes they do
they have no backbone because they are invertebrates and therefore they have no vertebrae being the backbone
no it's justit'sshelling! no it's justit'sshelling!
no a sea cucumber does not have a backbone.
they have a backbone
no
NO they do not
Chordates such as the sea squirts and lancelets do not have a backbone that is why they are called vertebrate chordates.
Invertebrate animals have no backbone. You can find more about these animals on WikiAnswers with the search of "Invertebrates." If you cannot find any questions with that surch you can ask the question and wait for someone to reply. Also, insects, worms, leeches, star fish and sea urchin are some examples of Invertebrates.
No The Sea sponge is a invertebrate
no they are invertabrates
A sea star is called a sea star simply because of where it lives (the sea) and what it looks like (a star), simple!
Some members of the phylum Chordata, such as sea squirts, don't have a backbone, but have what's called a notochord, a precursor to a true backbone.