Have shells member of the mollusk family.
No, snails are gastropods.
How do gastropods function as decomposers?
Yes. Some alien races have animal characteristics (i.e. mammals, reptiles, amphibians, insects, arachnids, gastropods, reptomammals, reptavians, crustaceans, avians, mammavians, etc.).
Gastropods have an open circulatory system. Check related links.
Slugs are gastropods. All slugs are shell-less.
No, they are gastropods; animals that grow their homes.
Gastropods have a closed-circulation because it has ventricles that carry blood throughout it's body.
No.Don't you realize that gastropods are snails and slugs and such?If I'm right, none of those are extinct.
Gastropods belong to the class Gastropoda, which is a class of mollusks. They are characterized by their single, coiled shell (in most species) and their distinctive method of locomotion known as crawling on a broad, muscular foot.
Gastropods.
Torsion
the ocean