change in behaviour
21Social 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) …
22avoidance 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… …
23reproductive 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… …
24Climate Change-The Global Effects — ▪ 2008 Introduction by John Streicker In 2007 the Intergovernmental Panel on Climate Change (IPCC) released its Fourth Assessment Report. Previous assessments (1990, 1995, 2001) had provided strong indications that by various measures the… …
25climate change — Introduction periodic modification of Earth s climate brought about as a result of changes in the atmosphere as well as interactions between the atmosphere and various other geologic, chemical, biological, and geographic factors within the Earth …
26social change — ▪ sociology Introduction in sociology, the alteration of mechanisms within the social structure, characterized by changes in cultural symbols, rules of behaviour, social organizations, or value systems. Throughout the historical… …
27Climate change and ecosystems — This article is about climate change and ecosystems. Environment portal …
28Behavioural change theories — Behavioral change theories and models are attempts to explain the reasons behind alterations in individuals behavioral patterns. These theories cite environmental, personal, and behavioral characteristics as the major factors in behavioral… …
29Animal sexual behaviour — This article is about the sexual behaviour of non human animals; see also Human sexuality and Sexual reproduction. Animal sexual behaviour takes many different forms, even within the same species. Among animals other than humans, researchers have …
30aggressive behaviour — Any action of an animal intended to injure an opponent or prey animal or to cause an opponent to retreat. Aggression may be caused by various stimuli. Within its own group, an animal must display aggressive postures to maintain its position… …
