A food chain acts like any system; when one part changes, the rest of the system is effected. Which statement BEST describes a relationship between the organisms in this food chain? A) If the mouse population decreases, the hawk population will increase. B) If the mouse population increases, the seed population will increase. C) If the seed population decreases, the hawk population will remain the same. D) If the seed population increases, both the mouse and hawk population will increase.