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This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
The light-harvesting system of PSI uses multiple copies of the same transmembrane proteins used by PSII. The energy of absorbed light (in the form of delocalized, high-energy electrons) is funneled into the reaction center, where it excites special chlorophyll molecules (P700, with maximum light absorption at 700 nm) to a higher energy level.
The distributions of a wide variety of physical, biological, and human-made phenomena approximately follow a power law over a wide range of magnitudes: these include the sizes of craters on the moon and of solar flares, [2] cloud sizes, [3] the foraging pattern of various species, [4] the sizes of activity patterns of neuronal populations, [5] the frequencies of words in most languages ...
Dioptrics – Science of light and lenses; Diplomatics – Academic study of the protocols of documents – science of deciphering ancient writings and texts. [citation needed] Dosiology – study of dosage of drugs. [17] Dynamics – Study of forces and their effect on motion; Dysgenics – Decrease in genetic traits deemed desirable and study ...
Water is important to life because it is an effective solvent, capable of dissolving solutes such as sodium and chloride ions or other small molecules to form an aqueous solution. Once dissolved in water, these solutes are more likely to come in contact with one another and therefore take part in chemical reactions that sustain life. [ 33 ]
In biology and ecology, a resource is a substance or object in the environment required by an organism for normal growth, maintenance, and reproduction.Resources can be consumed by one organism and, as a result, become unavailable to another organism.
plankton – mostly microscopic animal and plant life suspended in water and a valuable food source for animals cf. Phytoplankton. plant quality - a standard of plant appearance or yield. plastic - One of many high-polymeric substances, including both natural and synthetic products, but excluding rubbers. At some stage in its manufacture every ...
A science that studies human combative behavior and performance. hormonology [120] The science or study of hormones. horology: The art or science of measuring time and mechanical time-keeping devices. humorology: The study of humour and laughter. Humorism; hydrobiology: The science of life and life processes in water. hydroecology