AP BIOLOGY

Detailed explanation-1: -Wheat, oats, rye, orchardgrass are some of the examples of C3 plants. These plants carry out the C3 cycle to fix carbon from carbon dioxide into 3 carbon sugars.

Detailed explanation-2: -About 85% of plant species are C3 plants. They include the cereal grains: wheat, rice, barley, oats. Peanuts, cotton, sugar beets, tobacco, spinach, soybeans, and most trees are C3 plants. Most lawn grasses such as rye and fescue are C3 plants.

Detailed explanation-3: -All plants use C3 photosynthesis, which has been supplemented in some species with Crassulacean acid metabolism (CAM) and C4 photosynthesis. These two pathways are adaptations to dry environments.

Detailed explanation-4: -The majority of plants and crop plants are C3 plants, referring to the fact that the first carbon compound produced during photosynthesis contains three carbon atoms. Under high temperature and light, however, oxygen has a high affinity for the photosynthetic enzyme Rubisco.