Trees are large perennial plants with a single woody stem or trunk, branches, and leaves, playing a crucial role in ecosystems by providing oxygen, storing carbon, and offering habitats for wildlife. Articles are a unique way for readers to learn about the world around them. In addition to building reading comprehension skills and increasing vocabulary, articles can be used for writing and research. Trees is broken into 6 single-page sections: What Are Trees?, Parts of a Tree, Types of Trees, How Trees Change and Grow, The Role of Trees in the Environment, and Words to Know.