[Solved] Which statement most accurately describes a randomized controlled study design? A) The researcher examines the individual histories of a group of people manifesting a particular disease to find out what common factors they share and what differences can be discerned B) Questions and interventions that evolve through partnerships between researchers and participants C) This is the best design for answering questions about the effectiveness or harms of a certain intervention D) Questions exploring perceptions, feeling, and experiences are best answered by this study design Angiosperms: The traditional name for flowering plants, a very large (more than 300,000 species), diverse phylum of plants that form flowers for sexual reproduction and produce seeds enclosed in fruits; include monocots and eudicots. Gymnosperms: Gymnosperms are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, distinguished from flowering plants by having naked seeds. Liverworts: A group of non-vascular plants belonging to the division Hepaticophyta, characterized by a liver-like appearance and commonly found in moist, shaded environments. Vascular Tissues: Plant tissues responsible for transporting water, nutrients, and sugars throughout the plant.