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Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.
The Piney Woods is a temperate coniferous forest terrestrial ecoregion in the Southern United States covering 54,400 square miles (141,000 km 2) of East Texas, southern Arkansas, western Louisiana, and southeastern Oklahoma.
As of 2011, only 3 million acres (12,000 km 2) or so of the longleaf pine ecosystem are left in North America. This significant drop in the ecosystem acreage marks a 97 percent decrease. In overlook of the ecosystem, today, it is described as being patchy and uneven in the distribution across the landscape.
Cavities are generally excavated over 1 to 3 years. The aggregate of cavity trees is called a cluster and may include 1 to 20 or more cavity trees on 3 to 60 acres (12,000 to 240,000 m 2). The average cluster is about 10 acres (40,000 m 2). Cavity trees that are being actively used have numerous, small resin wells which exude sap.
The remaining fragments scattered across the county are protected as public parks or Environmentally Endangered Lands and range in size from 0.1 ha to 324 ha, with the average size being 6 ha and the median being 1.7 ha. [8] The Long Pine Key portion in Everglades National Park still holds around 9915 ha, or 80% of all pine rockland found in ...
Pine is an open world action adventure game. Through traversal, puzzling, combat and trading, the player finds their way through a game ecology that constantly changes. Pine's world is based on a simulation, meaning that all actors inside are governed by an overarching system of schedules, rules and reaction matrices.
This became the most famous photograph taken by Adams at the Yosemite National Park, depicting several natural landmarks visible from that view point, namely El Capitan, Bridalveil Falls, Cathedral Rocks, and Half Dome, seen at the left, all of which also appear in other of his pictures.
Bursaphelenchus xylophilus, commonly known as pine wood nematode or pine wilt nematode (PWN), is a species of nematode that infects trees in the Pinus genus of coniferous trees and causes the disease pine wilt. [1] [2] While native to North America, it spread in the early 20th century to Japan and in the latter half of the century to other ...