A mollusk is a shelled sea creature that has a muscle in the inside like a clam or oyster. The name comes from its soft inside.
ok first of all you mean how can mollusks be harmful and think of invasive species
The structure that mollusks use to grasp food is called a foot. The scientific name of this appendage is the radula.
sphinkter
If you mean mollusks, no. They do not have ANY bones, and so will not have a backbone.
they are sea creatures like clams, etc. in the same family.
No, mollusca (the name of the group) is a Phylum; which is a very broad group.
Mollusca is the term for the phylum of animals containing mollusks. It is very diverse and contains many marine and freshwater organisms. Examples of mollusks are snails, octopus, mussels.
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Mollusks are invertebrates because they do not have a backbone.
There is no such nomenclature. Mollusks and sponges are two forms of invertebrates.Some sponges, such as Myxilla incrustans form symbiotic relationships with some mollusks (i.e scallops).
Raccoons eat mollusks. Otters eat mollusks. People eat mollusks.