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.
A phylum is a classification or organisms that ranks below kingdom and above class. The origins of taxonomy, the classification of organisms, began with Aristotle who separated plants from animals. Carl von LinnÃ© later introduced binomial nomenclature, using two Latin names to describe every organism.