E Biological sciences ECT E Biological sciences, biology Biological sciences E Applied biology E9P E29 A . Social aspects R . Research E9T Kinds & parts of organisms E2M . Mathematics in biology, biometrics * The objects of enquiry, on which the various human E34 . Theoretical biology activities in E2/E9S are used. * For taxonomy, see EJB Kinds of organisms. E9V . Common properties/processes E35 . Practical biology E9X . Conditions, parameters.., Degrees of freedom.., E36 . Experimental Ethics Dimension.. E3B . Equipment & materials.., Cultures.. EA . Biophysics & biochemistry E4 . Instrumentation EB . Biophysics, Biothermodynamics.., Radiation E62 . Investigatory techniques biophysics, radiobiology.., Molecular E64 C . Computer techniques physical properties E67 . Microtechniques.., Ultramicrotechniques, EC . Biochemistry, physiological chemistry nanotechniques EC8 E . Preparative techniques E69 . Measurement techniques, probe techniques, ECA . Physical biochemistry visualization techniques BDH . Kinetics.., Endergonic.., Exergonic.., Radiation E6B . Physical methods.., Mechanical.. chemistry.. E6L . Radiation.., Spectroscopy.., Microscopy.. C . Chemical combination & structure.., Bonds.., E8C . Chemical methods.., Preparative methods.. Molecular physics in biochemistry.., E9E . Biological methods.., Immunological Chains, rings.. techniques.. Y . Reaction biochemistry E9P . Applied biology, biotechnology * For biochemical cycles, see ECK; for * General works only; for specific applications, see the metabolism, see ECM. field of application (eg, agriculture, medicine, ECF . Mixed phase biochemistry.., Gases.., Solids.. technology). ECK . Biochemical cycles, Carbon.., Carbon dioxide.., Silicon.., Nitrogen.. ECM . Metabolism * For nutrition, see macroorganisms EGG. BDH . Kinetics E . Bio-energetics, energy metabolism, Basal metabolism.. Catabolism, energy release.., Respiration.., Anabolism, biosynthesis ECN . Metabolic pathways.., Intermediary.., Secondary.., Metabolic cycles.., Krebs cycle.. ECP . Special physiology.., Pathology ECQ . Biochemistry of particular substances ECR . Metabolites.., Salts/Acids/Bases.., Complexes.. ECS . Inorganic biochemistry.., Calcium.. ECT . Organic biochemistry.., Macromolecules.., Carbohydrates.., Lipids.., Amino acids.., Proteins.., Enzymes.., Nucleic acids.., Nucleosides.., Nucleic acids.., DNA.., RNA.. 1 EDA EGOAX Biological structures Biological sciences E Biological sciences E Biophysics & biochemistry EA Biological structures EDA . Organic biochemistry.. ECT Macrosystems EFA . Genetics EFN EDA Biological structures . Evolution EGE EDB . Anatomy, morphology EGL . Semophyleses * Most of the literature relates to parts, organs and * Evolution of particular characteristics and parts. systems (EI/GR). * The preferred arrangement is to subordinate the EDC . Subsystems Biological materials.., Fluids.., Solids.., evolution of particular organs, etc. to the latter. Surfaces.., Walls.., Membranes.., Cavities.., An * alternative is provided here for libraries Ducts.. wishing to collocate these with evolution in EDK . Microsystems & microstructures general. If this option is taken, proceed as EDM . Molecular biology.., Ultrastructure, fine structure follows: EDY . Cells & tissues * Add to EGL letters B/Y following EI e.g. Evolution of nervous system EGL J. EE . Cells, cytology EGN . Taxonomic phylogeny EEC P . Pathology * The preferred arrangement is to subordinate . Special physiological processes the evolution of a particular organism to that * For the two central functions (cell maintenance & organism. This position is an * alternative development, genetic inheritance), see EEM & (not recommended) for libraries wishing to EFV. keep all the literature on evolution together. If EED . Development & growth.., Resting cell.. this option is taken, proceed as follows: EEF . Differentiation.., Regeneration.., Ageing.., * Add to EGN letters E/G. Nutrition.., Endocytosis.., Exocytosis.., Replication.., Cell division.., Mitosis.. EGO Ecology, Bionomics EEH . Cell maintenance * Interaction of organisms with their environment, . Morphology abiotic and biotic. For ecosytems specifically, EEJ . Membranes.., Organelles.. * see EHI X. EEK . Nucleus.., Chromosomes.., Nucleolus.., * For environment in general and human ecology, Cytoplasm.., Mitochondria.., * see GY (and the notes there). Lysosomes.. 9D . By place . Kinds of cells * This position allows the qualification by place of EEP . Procaryota.., Eucaryota.. ecological phenomena other than organisms - e.g. ecology of Great Britain EGO 9E. For EER . Tissues, histology topographical distribution of organisms, * see . Kinds EHE L. N . Parenchyma.., Stroma.., Contractile.. * Other concepts of place (e.g. tropical) give rise to EFA . Macrosystems, organisms major facets (e.g. types of ecosystems) and these EFB . Development, biogeny (of individuals, species) will be found below (at EHJ/EHR). EFC . Ontogeny (individual development) * Add to EGH 9 letters D/Z from Schedule 2. EFD . Differentiation.., Neoteny, paedogenesis.. AA . Principles EFE . Life cycles.., Growth & restitution.. AC . Research EFG . Embryology AE . Systemology EFN . Genetics, Biochemistry, DNA.., RNA.., Enzymes.. AEX . System ecology EFO . Chromosomes, Genes.. AGC . Sampling . (Properties & interactions of genes) Linkage.. AGC 9G . Grid sampling (ecology) Penetrance.., Dominance.. AGC 9N . Permanent sample plots EFR . Sequence.., Genetic code.. AGC 9Q . Quadrants (ecology) . Kinds of genes, Alleles.., Control genes.., AM . Technical procedures, etc. Dominant.., Recessive.. Special environments EFT . Kinds of chromosomes, Nonocentric.., ARY O . Environmental chambers Polytene.., Sex chromosomes.. ASN . Measuring EFV . Genetic variation, inheritance ASO . Biotelemetry D . Mutation.., Mendelian inheritance.. AX . Applications . Kinds of organisms by inheritance factor * This class takes general considerations of human EGA . Genotypes.., Phenotypes.. intervention in biological phenomena, both conservatory and exploitative. EGB . Populations, population genetics * For exploitation, * see classes GS/GW. EGE . Evolution, phylogeny * For palaentology, see EJU. 2 EGOAX Dynamics of ecosystems EGSN Biological sciences E Biological structures EDA Biological structures EDA Ecology EGO Ecology EGO Ecosystems EGO K Applications EGO AX Dynamics of ecosystems EGO L Food cycle EGP * The sole function of this class is to allow . Assimilation rate EGQ OU qualification of specific organisms (e.g. Birds - Habitat destruction). The general class for human EGQ R Biogenchemical cycles actions in the environment is at GY. S . Carbon/oxygen cycle EGO AXH . Conservation of ecosystem T . Carbon cycle AXN . Protection of ecosystem U . Oxygen cycle . Destruction, damaging V . Nitrogen cycle * See Dynamics of ecosystems EGS. VR . Fixation of nitrogen AY Influencing factors VS . Nitrification Physiology in general W . Water cycle BB . Adaptive physiology X . Mineral cycle, sedimentary cycle BFV Gradients, sequences XR . Calcium cycle Time factors Y . Other, A/Z BGV . Periodicity EGR Devlopment in ecosystems, succession BGW . Cycles * This class is for the process; for communities defined by BGW N . Phenology development stages, * see EHI. * For cyclical features of a particular ecological RL . Establishment of ecosystems process, * see - e.g. food cycle EGP. RN . Ecological amplitude . (Circadian rhythm) * see EGW H RO . Oikesis, ecesis BKA Regulation, control RQ . Competition in ecosystems BKQ . Homeostasis RR . Reaction in ecosystems Response to environment S . Seres BLE . Adaptation (general) T . Relicts * For adaptative behaviours narrowly, U . Climax * see Behaviour EHT BLE. US . Disclimax BN Biophysics, biochemistry, special physiology UT . Subclimax * In the context of ecology, the primary role of these V . Primary succession, autogenic succession concepts is that of abiotic factors affecting the W . Secondary succession, allogenic succession external interactive processes of the whole organism. X . Zonation These are located at EGT/EGU below. Purely physiological studies of the individual organism go XS . Horizontal zonation in EB/EE. This class is unlikely to be used except in XT . Vertical zonation compounding. EGS . Destruction of ecosystem, damaging of ecosystem * Succession implies a natural process of change & adjustment. This class is for external factors of an K Ecosystems, biosphere exceptional nature entering the process. These are L . Dynamics of ecosystems usually activities of humans & are usually deleterious . Variation insofar as this term is applicable to ecological M . Ecoclines processes. N . Energy systems in ecology * Destruction of the ecosystem of particular organisms is P . Productivity, biological productivity usually considered destruction of their habitat & the latter class (EHE) should be used. But at the general PL . Conversion rate level the terms habitat & ecosystem are hard to Q . Biomass distinguish. * See also Population EHG J * If an effect is on the physiology of organisms rather QR . Primary productivity than their behaviour & ecological interaction, use QS . Secondary productivity Physiology (EBB/EDL) R . Flow of energy J . Agents S . Transfer of energy . Physical W . Ecological pyramids * See Components of ecosystems & the note, EGP . Food cycle, food web preceding EGT B. Also, note at EHB. EGQ . Food chains, trophic cycle L . Biotic * For trophic levels, * see EHB IX. M . Consumption of food resources OU . Assimilation rate N . Overconsumption * E.g. overgrazing. 3 EGSP EGVK