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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 ...
Alarm calls have been studied in many species, such as Belding's ground squirrels. Characteristic 'ticking' alarm call of a European robin, Erithacus rubecula. In animal communication, an alarm signal is an antipredator adaptation in the form of signals emitted by social animals in response to danger.
Also called functionalism. The Darwinian view that many or most physiological and behavioral traits of organisms are adaptations that have evolved for specific functions or for specific reasons (as opposed to being byproducts of the evolution of other traits, consequences of biological constraints, or the result of random variation). adaptive radiation The simultaneous or near-simultaneous ...
It was the No. 1 slang word used by teens in 2023, according to a survey of more than 600 parents by the language learning platform Preply. In the survey, 62% of parents said "sus" is the most ...
Vigilance, in the field of behavioural ecology, refers to an animal's monitoring of its surroundings in order to heighten awareness of predator presence. Vigilance is an important behaviour during foraging as animals must often venture away from the safety of shelter to find food.
3' untranslated region (3'-UTR). Also three-prime untranslated region, 3' non-translated region (3'-NTR), and trailer sequence.. 3'-end. Also three-prime end.. One of two ends of a single linear strand of DNA or RNA, specifically the end at which the chain of nucleotides terminates at the third carbon atom in the furanose ring of deoxyribose or ribose (i.e. the terminus at which the 3' carbon ...
Access Consciousness is an alternative medicine technique similar to a combination of phrenology, reiki, energy therepies and theraputic touch, where health and wellness can be improved by touching the 32 "Energy Bars" on a person's head. [69] Acupuncture – use of fine needles to stimulate acupuncture points and balance the flow of qi.
M phase See mitosis. macromolecule Any very large molecule composed of dozens, hundreds, or thousands of covalently bonded atoms, especially one with biological significance. . Many important biomolecules, such as nucleic acids and proteins, are polymers consisting of a repeated series of smaller monomers; others such as lipids and carbohydrates may not be polymeric but are nevertheless large ...