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  1. Tree - Wikipedia

    In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only …

  2. Tree | Definition, Structure, Uses, Importance, & Facts | Britannica

    4 days ago · Tree, woody plant that regularly renews its growth. Most plants classified as trees have a single self-supporting trunk containing woody tissues, and in most species the trunk …

  3. Tree Identification & Guides | Arbor Day Foundation

    Learn to identify the trees in your world with this colorful, easy-to-use guide that’s great for everyone from students to professional arborists. In it, you’ll find: Experience the power of …

  4. What is a tree? – definition, anatomy and characteristics | EcoTree

    Nov 14, 2023 · Here's our simple definition: A tree is a tall plant that can live a very long time. It has a single stem or trunk and branches that support leaves. Beneath the ground, a tree has a …

  5. Trees | Types, Structure, Facts, and Environmental Impact

    Trees are very diverse plants that are spread around the world. There are more than 73,000 discovered species of trees. Most of the trees can be categorized into four main types …

  6. What is a Tree? How Does it Work? - Colorado State Forest Service

    What is a Tree? How Does it Work? Every year, trees grow two annual rings. In the spring, the usually wider and thinner-walled layer, called springwood, grows. In the summer, a thicker …

  7. Types of Trees | Deciduous Trees | Evergreen Trees | Pictures

    Jul 29, 2023 · Two types of trees are classified by their leaf characteristics; broadleaf and needleleaf. Broadleaf trees are known for their leaves that contain a good amount of …

  8. A Guide to Trees - National Wildlife Federation

    Trees grow, reproduce, and respond to their environment. Like all plants, trees manufacture their food through photosynthesis. Trees are in the family of woody plants which have cambium, a …

  9. Tree - Simple English Wikipedia, the free encyclopedia

    A tree is a tall plant with a trunk and branches made of wood. Trees can live for many years. The oldest living tree found is about 5,000 years old. The oldest tree from the UK is about 1,000 …

  10. TREE Definition & Meaning - Merriam-Webster

    The meaning of TREE is a woody perennial plant having a single usually elongate main stem generally with few or no branches on its lower part. How to use tree in a sentence.

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