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.
The phylum is divided into three diverse classes. 1  Gastropoda: most members of this class have a one-piece, external shell. Gastropods include snails and slugs. 2  Bivalvia: members have an external shell divided into two halves that are connected by a hinge. Bivalves include clams, oysters, and scallops.