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A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

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Biology > Ethology

cumulative selection

Biology; Ethology

The process by which complex behavioral patterns evolve gradually from less complex behavioral patterns through long and slow accretion.

selection pressure

Biology; Ethology

An environmental variable with which an organism must cope with in order to survive, thrive or maximize its fitness. The pressure is for an individual or species to cope with ...

adaptive zone

Biology; Ethology

An environment in which certain selection pressures and constraints are reduced to allow organisms to prosper in new ways and to allow the development of adaptive radiation. This ...

associative learning

Biology; Ethology

In animal behavior, any learning process in which a new response becomes associated with a particular stimulus with positive or negative consequences which leads to a change in ...


Biology; Ethology

Sociobiology is a field of scientific study which is based on the assumption that social behavior has resulted from evolution and attempts to explain and examine social behavior ...


Biology; Ethology

The scientific study of animal behavior as it occurs in its natural environment. In domesticated animals it is a human-provided environment.


Biology; Ethology

When animals behave in a way that reduces their individual fitness and increases the fitness of the recipient of the behavior. For example, sterile worker bees labor on behalf of ...