Biology

an animal's response to sensory input

• learned
• innate

an animal moves toward or away from any stimulus

a movement that is random and does not result in orientation with respect to a stimulus

places the animal in its most favorable environment

• exhibited when animals respond to each toher by aggressive or submissive responses
• (often makes anima look big/ threatening)

may involve a complex series of activities tjat facilitate finding, courting, and mating with a member of the same species