A female cat in heat urinates more often and in many places. Male cats congregate near the urine deposits and fight with each other. Which of the following is a proximate cause of this behavior of increased urination?
A) It announces to the males that she is in heat.
B) Female cats that did this in the past attracted more males.
C) It is a result of hormonal changes associated with her reproductive cycle.
D) The female cat learned the behavior from observing other cats.
E) All of the above are ultimate causes of behavior.
Answer: C