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.
The AP Program includes specifications for two calculus courses and the exam for each course. The two courses and the two corresponding exams are designated as Calculus AB and Calculus BC. Calculus AB can be offered as an AP course by any school that can organize a curriculum for students with advanced mathematical ability.