The protist Stentor contracts when it is touched for the first time but gradually stops retracting if the touching is continued. This behavior is called
A) a sensitive period.
B) habituation.
C) imprinting.
D) operant conditioning.
E) insight learning.

Question

Quizplus · Accepted Answer

Habituation is a form of learning in which an organism decreases or ceases its responses to a stimulus after repeated presentations. In the case of Stentor, the protist initially contracts when touched but gradually stops retracting with continued touching, demonstrating habituation to the stimulus.

The Protist Stentor Contracts When It Is Touched for the First