(a system of sounds for each symbol)

(There are estimated to be 10,000 million insects living in each square kilometer of habitable land on earth or 26,000 million per square mile)

(composed of varied things or made up of many different things or kinds of things that have no necessary connection with each other; from Latin miscellaneus, from miscellus, "mixed"; and derived from miscere, "to mix")

(a comparison of synonymous references and their relationships to each other)

(one of the group of biological sciences, each of which deals with an aspect of the study of living things)