92-XX	Biology and other natural sciences
92-00	General reference works (handbooks, dictionaries, bibliographies, etc.)
92-01	Instructional exposition (textbooks, tutorial papers, etc.)
92-02	Research exposition (monographs, survey articles)
92-03	Historical {!must also be assigned at least one classification number from section 01}
92-04	Explicit machine computation and programs (not the theory of computation or programming)
92-06	Proceedings, conferences, collections, etc.
92-08	Computational methods
92Bxx	Mathematical biology in general
92B05	General biology and biomathematics
92B10	Taxonomy, statistics
92B15	General biostatistics [See also 62P10]
92B20	Neural networks artificial life and related topics [See also 68T05, 82C32, 94Cxx]
92B99	None of the above, but in this section
92Cxx	Physiological, cellular and medical topics
92C05	Biophysics
92C10	Biomechanics [See also 74L15]
92C15	Developmental biology, pattern formation
92C17	Cell movement (chemotaxis, etc.)
92C20	Neural biology
92C30	Physiology (general)
92C35	Physiological flow [See also 76Z05]
92C37	Cell biology
92C40	Biochemistry, molecular biology
92C45	Kinetics in biochemical problems (pharmacokinetics, enzyme kinetics, etc.) [See also 80A30]
92C50	Medical applications (general)
92C55	Biomedical imaging and signal processing [See also 44A12, 65R10]
92C60	Medical epidemiology
92C80	Plant biology
92C99	None of the above, but in this section
92Dxx	Genetics and population dynamics
92D10	Genetics {For genetic algebras, see 17D92}
92D15	Problems related to evolution
92D20	Protein sequences, DNA sequences
92D25	Population dynamics (general)
92D30	Epidemiology
92D40	Ecology
92D50	Animal behavior
92D99	None of the above, but in this section
92Exx	Chemistry {For biochemistry, see 92C40}
92E10	Molecular structure (graph-theoretic methods, methods of differential topology, etc.)
92E20	Classical flows, reactions, etc. [See also 80A30, 80A32]
92E99	None of the above, but in this section
92F05	Other natural sciences