a doctor who administers agents that cause loss of sensation during surgery anasthesiologist a doctor specializes in treatment of disease using high-energy radiation
The word phylum (plural: phyla) is a category used to classify marine organisms. In this article, you can learn the definition of phylum, how it is used, and examples of phyla used to categorize marine life.
The largest group is kingdoms. There are five kingdoms, and they include animal, plant, fungi, protist, and moneran. Following kingdoms, phyla are the next smallest groups, then class, order, family, genus and species. The more subgroups that are shared between two species, the more closely related they are.