International Standard Classification of Education : fields of education and training UNESCO Institute of Statistics en Biology 0511 Biology is the study of the structure, function, reproduction, growth, evolution and behaviour of all living organisms. Programmes and qualifications with the following main content are classified here: - Biology - Botany - Cell biology - Entomology - Genetics - Mycology - Zoology Study of environmental sciences, which is the study of the relation between living organisms and the environment, is excluded from this detailed field and included in detailed field 0521 'Environmental sciences'. Study of chemical processes in living organisms (biochemistry, toxicology, pharmacology etc.) is excluded from this detailed field and included in detailed field 0512 'Biochemistry'.