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Similar findings in a Study.com survey, which asked 1,000 middle and high school teachers about the impact of policies limiting cellphone use in the classroom, found that 68% of educators ...
Ecological niche. The flightless dung beetle occupies an ecological niche: exploiting animal droppings as a food source. In ecology, a niche is the match of a species to a specific environmental condition. [1][2] It describes how an organism or population responds to the distribution of resources and competitors (for example, by growing when ...
t. e. Homeschooling constitutes the education of about 3.4% of U.S. students (approximately two million students) as of 2012. [needs update] The number of homeschoolers in the United States has increased significantly over the past few decades since the end of the 20th century. In the United States, the Supreme Court has ruled that parents have ...
Liebig's law of the minimum. Liebig's law of the minimum, often simply called Liebig's law or the law of the minimum, is a principle developed in agricultural science by Carl Sprengel (1840) and later popularized by Justus von Liebig. It states that growth is dictated not by total resources available, but by the scarcest resource (limiting factor).
Structural inequality occurs when the fabric of organizations, institutions, governments or social networks contains an embedded bias which provides advantages for some members and marginalizes or produces disadvantages for other members. This can involve property rights, status, or unequal access to health care, housing, education and other ...
In applying this reasonableness test to regulations limiting student expression, the Court has recognized that the age and maturity of students is an important factor to be considered. [9] [4] [10] In the school context, the United States Supreme Court has identified three major relevant considerations: [9]
Learning centers are typically set up in a classroom to encourage children to make choices. As they work in the centers they learn to work independently as well as cooperatively. This gives the child more control over what they do. [ 1] Learning centers offer one easy route to addressing children's individual learning styles.
The best-known example is the so-called "paradox of the plankton". [6] All plankton species live on a very limited number of resources, primarily solar energy and minerals dissolved in the water. According to the competitive exclusion principle, only a small number of plankton species should be able to coexist on these resources.