Diet. Ruffed Grouse forage on the ground and in shrubs and trees. They are omnivores, although they feed mostly on plant material. In the winter, they eat the buds of deciduous trees, especially in areas where it snows.
Advanced Placement and International Baccalaureate courses are the most challenging assignments in most U.S. high schools. The AP exams, written and graded by outside experts including college faculty, are usually three hours long and contain several essay questions. They are much tougher than typical high school course finals.
AP classes mean Advanced Placement classes, which are more difficult than regular classes, but also count for more. If you take them in high school, you have the option to take the AP test, which, if you do well, will allow you to exempt part of your college course for that subject AP is short for Advanced Placement. After taking an AP class you can take a test that, if you score high enough, can give you college credit.