A unit cell is the building block of a crystal or we can say it is the simplest repeating unit of a crystal lattice.unit cell when arranged in 3 dimensional pattern is known as crystal lattice. Was this helpful?
Allogona profunda (Broad-banded Forestsnail) The formal classification of the land snail, Allogona profunda (Say), is as follows: Domain: Eukarya. Kingdom: Animal. Phylum: Mollusca. Class: Gastropoda.
Mollusks are members of the phylum mollusca. Mollusks have been evolving in the sea for over 600 million years and there are more than 100 000 mollusks species. The mollusks phylum includes tiny snails, squid, octopus, clams, oysters, abalone, and cuttlefish.They are considered to be the most intelligent of the invertabrate species.he study of mollusks is called malacology. There are four main classes in the phylum mollusca, gastropods, bivalve, cephalopod and Polyplacophora. Gastropods include nudibranches, slugs and snails. They compose over one third of the mollusk group and most are single spiral shells but some have no shells.