SLUGS AND SNAILS AND SLIMEY TRAILS

SLUGS AND SNAILS AND SLIMEY TRAILS

Snails and slugs are members of the phylum Mollusca, along with, clams and oysters as well as squid, cuttlefish and octopus. Slugs  evolved from snails and many species still retain a vestigial shell hidden under their mantle. The remnant shell is used primarily for...