The branch of biology which deals with the identification, nomenclature and classification of organisms is called
Taxonomy
Taxonomy is the branch of biology which deals with the identification, nomenclature and classification of organisms. Morphology is a branch of biology dealing with the study of the form and structure of organisms and their specific structural features. The branch of biology that deals with the relations of organisms with one another and to their physical surroundings are called ecology. Phytogeography is the branch of botany that deals with the geographical distribution of plants.