about how many known species of mollusca are there?		radial
mollusks are soft bodied		invertebrates
an example of a mollusk		oyster
the kind of symmetry this phylum displays		9/10
what kind of circulatory system do mollusks have?		150,000
how do they reproduce?		gastropods
molluscs are the largest _____ phylum		sexually
how many taxonomic classes of mollusks are there?		open
which class makes up the largest portion of the phylum?		lophotrochozoa
what is the superphylum of mollusca?		marine