Early researchers often referred to the predictable behaviors displayed by a particular species as

Answer;

Fixed Action Patterns

Explanation;Fixed action pattern is a series or sequence of acts that occur behaviorally in animals. They are behaviors that are unchangeable and a species is programmed to do. These behaviors are found to be the same foe all members of a species. They are instinctive behaviors since they are determined by the gene of an organism.Early researchers often referred to the predictable behaviors displayed by a particular species as fixed  action pattern.

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