What is the difference between a hormone and a pheromone?
A. Nothing, they are the same
B. Hormones act within an organism to stimulate tissue action; Pheromones act within an organism to suppress tissue action
C. Hormones are produced by an organism and act on other organisms outside of the host body; Pheromones are produced by an organism and act on tissue within the host body.
D. Hormones are produced by an organism and act on tissue within the host body; Pheromones are produced by an organism, are released into the environment and act on other organisms outside the host body.