According to the theory of ethology, built-in or instinctive behaviors can also be called

A) phenotypic.
B) nurture.
C) fixed action patterns.
D) releasing stimuli.

Ethology

The study of behaviors that are specific to a species—how these behaviors evolved, help the organism adapt, and develop during critical periods.

Fixed Action Patterns

Innate, preprogrammed responses triggered by specific stimuli, observed in animal behavior.

Phenotypic

Referring to the observable characteristics or traits of an organism, which result from the interaction of its genotype with the environment.