Plants: Flowering Plants, Ferns, Mosses, and Other Plants (Class of Their Own)

The plant kingdom contains more than 250,000 species. This colorful book describes the main groups of plants, including mosses, ferns, conifers, and flowering plants. Special sections highlight the role of plants in the environment?as producers in the food chain and producers of the world?s oxygen?and their role in climate and the water cycle.