behaviour of substances

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• reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… …   Universalium

• feeding behaviour — Any action of an animal directed toward obtaining nutrients. Each species evolves methods of searching for, obtaining, and ingesting food for which it can successfully compete. Some species eat only one type of food, others a variety. Among… …   Universalium

• Convention on Psychotropic Substances — The Convention allows only medical and scientific uses of Schedule I drugs. Signed February 21, 1971 Location Vienna Effective August 16, 1976 Condition 4 …   Wikipedia

• Social behaviour in animals — Introduction       actions of animals living in communities. Such behaviour may include the feeding of the young, the building of shelters, or the guarding of territory. General characteristics       Social behaviour (Social behaviour in animals) …   Universalium

• avoidance behaviour — Type of activity, exhibited by animals exposed to adverse stimuli, in which the tendency to flee or to act defensively is stronger than the tendency to attack. Vision is the sense that most often produces avoidance behaviour (e.g., small birds… …   Universalium

• animal behaviour — Introduction       any activity of an intact organism.       A living animal behaves constantly in order to survive, and all animals must solve the same basic problems. They must, for instance, periodically replace their energy source (consume… …   Universalium

• human behaviour — Introduction       the potential and expressed capacity for physical, mental, and social activity during the phases of human life.       Human beings, like other animal species, have a typical life course that consists of successive phases of… …   Universalium

• liquid — liquidly, adv. liquidness, n. /lik wid/, adj. 1. composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid. 2. of, pertaining to, or consisting of liquids: a liquid diet. 3 …   Universalium

• chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …   Universalium

• Nobel Prize winners by name — ▪ Table Nobel Prize winners by name A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   Y   Z A name year category country* achievement literary area Abrikosov, Alexey A. 2003 physics U.S. discoveries… …   Universalium

• Nobel Prize winners by year — ▪ Table Nobel Prize winners by year 1901–10 1941–50 1981–90 1911–20 1951–60 1991–2000 1921–30 1961–70 2001–08 1931–40 1971–80 1901–10 year category name country* achievement literary area 1901 chemistry Henricus van t (Hoff, Jacobus Henricus van… …   Universalium