Examlex
The diversity of protists has increased along with the diversity of animals and plants.
Learned Behaviour
Actions or reactions developed as a result of experiences or training, rather than being innate.
Extinction
In behavioral psychology, the gradual weakening and disappearance of a conditioned response when it is no longer reinforced.
Reinforcement
The process by which stimuli strengthen behaviours.
Positive Reinforcer
An environmental stimulus that, when presented after a behavior, increases the probability of that behavior occurring again in the future.
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