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Both humans and animals depend on forests for food, shelter, and other resources. Forests once covered much of the world and are still found from the equator to the Arctic regions. A forest may vary in size from only a few acres to thousands of square miles, but generally any natural area in which trees are the dominant type of plant can be considered a forest. For a plant to be called a tree, the standard definition requires that the plant must attain a mature height of at least eight feet... więcej
Salem Press Encyclopedia of Science, 2021. 3p.
