Final answer:
A CAM plant is a plant that uses Crassulacean Acid Metabolism, a carbon fixation pathway. An example of a CAM plant is cactus.
Step-by-step explanation:
A CAM plant refers to a plant that uses Crassulacean Acid Metabolism, a carbon fixation pathway. One example of a CAM plant is cactus. These plants close their stomata during the day to minimize water loss and perform photosynthesis at night to fix carbon dioxide and build sugar.