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Hace 6 días · An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisphere; it includes some 500 species, both deciduous and evergreen.
Hace 3 días · Wood is a structural tissue found in the stems and roots of trees and other woody plants. It is an organic material – a natural composite of cellulose fibers that are strong in tension and embedded in a matrix of lignin that resists compression.
Hace 2 días · Oakland is the most populous city in and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, and the third-largest city overall in the Bay Area. With a population of 440,646 in 2020, [13] it serves as the Bay Area's ...
Hace 3 días · A forest is a complex ecological system in which trees are the dominant life-form. A forest is nature’s most efficient ecosystem, with a high rate of photosynthesis affecting both plant and animal systems in a series of complex organic relationships.
- The Editors of Encyclopaedia Britannica
21 de abr. de 2024 · Forest of Dean, ancient royal forest of oak and beech in western Gloucestershire, England, covering an area of about 26,000 ac (10,500 ha) between the Rivers Severn and Wye. It became a National Forest Park administered by the Forestry Commission in 1938.
- The Editors of Encyclopaedia Britannica
1 de may. de 2024 · Native oak trees are a prime example of a keystone species. They hold ecosystems together by providing crucial resources and habitats for a plethora of insects, including over 550 species of caterpillars in some regions. In fact, oaks support more life forms than any other North American tree genus.
16 de abr. de 2024 · A tropical rainforest is a luxuriant forest found in wet tropical uplands and lowlands near the Equator. Tropical rainforests are dominated by broad-leaved trees that form a dense upper canopy and contain a wide array of vegetation and other life.
