A stickleback fish will attack a fish model as long as the model has red coloring. What animal behavior idea is manifested by this observation?
A) sign stimulus
B) cognition
C) imprinting
D) classical conditioning

Question

Quizplus · Accepted Answer

This observation is an example of sign stimulus, where a specific form or color of an object triggers a particular behavior in the animal. In this case, the red color of the fish model acts as a sign stimulus that elicits the aggressive behavior of the stickleback fish.

A Stickleback Fish Will Attack a Fish Model as Long