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adaptation

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abaptation

abaptation  

The process by which an organism is fitted to its environment as a consequence of the characters it inherits, which have been filtered by natural selection in previous environments. Because present ...
acclimation

acclimation  

A response by an animal that enables it to tolerate a change in a single factor (e.g. temperature) in its environment. The term is applied most commonly to animals used in laboratory experiments and ...
acclimatization

acclimatization  

1 The progressive adaptation of an organism to any change in its natural environment that subjects it to physiological stress. See also acclimation.2 The overall sum of processes by which an organism ...
acquired characteristics

acquired characteristics  

Features that are developed during the lifetime of an individual, e.g. the enlarged arm muscles of a tennis player. Such characteristics are not genetically controlled and cannot be passed on to the ...
adaptability

adaptability  

A measure of the extent to which a species or ecosystem is able to adjust to environmental change (such as global warming). Such adaptation can be planned or unplanned, and it can be carried out in ...
adaptedness

adaptedness  

The condition of being adapted, as distinct from the process of adaptation.
adaptive breakthrough

adaptive breakthrough  

An evolutionary change by the acquisition of a distinctive adaptation that permits a population or taxon to move from one adaptive zone to another. At the most extreme such moves might be from water ...
adaptive radiation

adaptive radiation  

The evolutionary process whereby species that are descended from a common ancestor diverge to exploit different ecological niches.
adaptive threshold

adaptive threshold  

The limit imposed on the adaptation of a taxon within a particular adaptive zone (e.g. the fins of a flying fish are adapted for gliding flight, but the fish can remain airborne for only a limited ...
adaptive zone

adaptive zone  

A taxon that is considered together with its associated environmental regime(s), habitat, or niche. The adaptive specialization that fits the taxon to its environment, and hence the adaptive zone, ...
alloplastic

alloplastic  

Of or relating to adaptation (1) through alteration of the external environment. Compare autoplastic. [From Greek allos other + plastikos mouldable, from plassein to form + -ikos of, relating to, or ...
aptation

aptation  

Any character currently subject to selection whether its origin can be ascribed to selective processes (adaptation) or to processes other than selection or selection for a different function ...
assimilation

assimilation  

1 Absorption or incorporation of information or of a substance, or more generally the act or process of making things similar or alike.2 In the writings of the Swiss psychologist Jean Piaget ...
auditory adaptation

auditory adaptation  

Transient loss of hearing sensitivity to tones of certain frequencies following prolonged exposure to an unchanging sound wave. When the sound that causes the effect is loud and the hearing loss is ...
August Friedrich Leopold Weismann

August Friedrich Leopold Weismann  

(1834–1914)A German biologist who established the improbability, if not impossibility, of the inheritance of acquired characteristics, as required by Lamarck's theory of adaptation.
autoplastic

autoplastic  

Of or relating to adaptation (1) through alteration of the self. Compare alloplastic. [From Greek autos self + plastikos mouldable, from plassein to form + -itikos resembling or marked by]
Baldwin effect

Baldwin effect  

An idea advanced in 1896 by US psychologist James Mark Baldwin (1861–1934) and others to explain the social evolution of traits that are learned during the lifetime of individuals. Originally called ...
behavioural ecology

behavioural ecology  

1 The study of the behaviour of an organism in its natural habitat.2 The application of behavioural theories (e.g. game theory) to particular activities (e.g. foraging).
biome

biome  

A grouping of ecosystems (q.v.) into a larger group occupying a major terrestrial region (e.g., tropical rainforest biome, mixed conifer and deciduous forest biome).
chromatic adaptation

chromatic adaptation  

1 A form of adaptation (2) resulting from continuous exposure to light of a particular colour or hue and consequent bleaching of the associated visual pigment, causing a gradual loss of saturation ...

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