48. 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
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統計: A(1), B(0), C(0), D(0), E(0) #3308947
統計: A(1), B(0), C(0), D(0), E(0) #3308947