Crop science is the study of the world's major food, feed, turf, and fiber crops and their environment. It is a broad discipline encompassing breeding, genetics, production, and management. Botany is the scientific study of plants. "Plants," to most people, means a wide range of living organisms from the smallest bacteria to the largest living things - the giant sequoia trees. By this definition plants include: algae, fungi, lichens, mosses, ferns, conifers and flowering plants.