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Explain Bot The type of plant that is low growing, has thin cell walls, and does not have roots is a nonvascular plant. To arrive at this answer, we can break down the characteristics of each plant type mentioned:
1. Vascular plants: Vascular plants, or tracheophytes, are plants that have specialized tissues for transporting water, nutrients, and sugars throughout their bodies. They possess roots, stems, and leaves. This type of plant is not the answer because it has roots, which are explicitly mentioned as not present in the question.
2. Gymnosperms: Gymnosperms are a group of seed-producing plants that do not have flowers or fruits. They include conifers, cycads, ginkgoes, and gnetophytes. While some gymnosperms may be low growing, they do not fit the description of having thin cell walls and lacking roots.
3. Dicots: Dicots, or dicotyledons, are a group of flowering plants that have two seed leaves or cotyledons. They are characterized by their branching veins in leaves and flower parts typically in multiples of four or five. However, dicots still possess roots and do not match the description given.
Therefore, the correct answer is nonvascular plants, also known as bryophytes. Bryophytes include mosses, liverworts, and hornworts. They lack specialized tissues for transporting water and nutrients, resulting in thin cell walls. Additionally, they do not have roots but instead anchor themselves using thread-like structures called rhizoids.