It is not clear what you mean by "orgaism" , there is no such English word! Do you mean "organism" or "orgasm" - whichever they would not be an example of a gastropod.
However, gastropods are certainly an example of organisms.
No, snails are gastropods.
How do gastropods function as decomposers?
When mutual sperm exchange takes place. For example in gastropods.
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.
No.Don't you realize that gastropods are snails and slugs and such?If I'm right, none of those are extinct.
Gastropods have a closed-circulation because it has ventricles that carry blood throughout it's body.
Univalves, otherwise known as gastropods, live in most all oceans. A sea mollusk is a good example of a univalve.
the ocean
Gastropods.
Torsion