--subdivision Nomenclature under individual animals and groups of animals and individual plants and groups of plants, e.g. Corn--Nomenclature; Fishes--Nomenclature
--subdivision Classification under individual animals and groups of animals and individual plants and groups of plants, e.g. Fishes--Classification; Corn--Classification
Here are entered works on the study of naturally occurring chemical reactions in organisms. Works on the use of chemistry and chemical techniques to study biological systems are entered under Chemical biology. --subdivision Composition under individual animals and groups of animals, e.g. Fishes--Composition; Cattle--Composition
--subdivision Nomenclature under individual animals and groups of animals and individual plants and groups of plants, e.g. Corn--Nomenclature; Fishes--Nomenclature
