[Solved] For what purpose is the theory of constraints used? A)To reduce product defects B)To balance performance measurement C)To identify and manage constraints that bottle-neck operations D)To reduce inventory levels Ephedra: A shrub-like plant used historically in traditional medicines and known for its stimulant properties. Gnetophytes: A group of seed plants that are characterized by unique features distinguishing them from other gymnosperms, with three distinct genera: Gnetum, Welwitschia, and Ephedra. Angiosperms: A large group of flowering plants whose seeds are enclosed within a fruit, comprising a vast majority of plant species. Gymnosperms: A group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, characterized by having naked seeds not enclosed in an ovary.