Do mollusca have a common name?
A common name for mollusca is shell. For more information go to
http://www.globe.org.uk/activities/water/macro2.pdf
Does a barnacle have bilateral symmetry radial symmetry or is it asymmetrical?
depends on the type of barnacle there different forms with many different types of symmetry. gooseneck barnacles and acorn barnacles are two different types so the question doesn't have an exact answer.
No, they aren't. Zebra mussels are mussels, which is a kind of bivalve mollusk. They call them that because of there pattern on the shell. Some don't have it, but most do.
Is limestone made from seashells?
Limestone is made up out of fossils of corals and shells from the water.
How would you describe the structure of a mollusk's gills?
The gills of bivalves that I have seen, I would describe as looking like a piece of screening covered with cilia.
Most of them are eat detritus and are omnivores so you don't need to feed it anything. Just let it clean you tank and eat what the fish don't get.
What are examples of gastropods-?
Gastropods are a class of mollusks that have one-piece, straight or spiral shells. Examples of gastropods include snails, slugs, whelks and limpets.
What trait do all mollusks nervous system share?
They all have complex ganglia to control breathing, movement, and digestion.
Any of numerous chiefly marine invertebrates of the phylum Mollusca, typically having a soft unsegmented body, a mantle, and a protective calcareous shell and including the edible shellfish and the snails.
What is the definition of mutualistic relationship?
symbiosis in which two organisms of different species stay near each other having both advantages.
Ammonites were an abundant group of mollusks during the Mesozoic. However, the K-T extinction event, which wiped out the dinosaurs, was too much for them. They became extinct 65.5 million years ago.