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

Question

Quizplus · Accepted Answer

The observation of a stickleback fish attacking a fish model with red colouring demonstrates the concept of sign stimulus. The red colour acts as a specific stimulus that triggers a specific response (the attack behavior) in the stickleback fish. This behavior is innate and does not require learning.

A Stickleback Fish Will Attack a Fish Model as Long