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Shoaling and schooling. These powder blue tangs are shoaling. They are swimming somewhat independently, but in such a way that they stay connected, forming a social group. These bluestripe snapper are schooling. They are all swimming in the same direction in a coordinated way. In biology, any group of fish that stay together for social reasons ...
In oceanography, geomorphology, and geoscience, a shoal is a natural submerged ridge, bank, or bar that consists of, or is covered by, sand or other unconsolidated material, and rises from the bed of a body of water close to the surface or above it, which poses a danger to navigation. Shoals are also known as sandbanks, sandbars, or gravelbars.
Term Description Examples Autocracy: Autocracy is a system of government in which supreme power (social and political) is concentrated in the hands of one person or polity, whose decisions are subject to neither external legal restraints nor regularized mechanisms of popular control (except perhaps for the implicit threat of a coup d'état or mass insurrection).
In 1954, segregation of public schools (state-sponsored) was declared unconstitutional by the U.S. Supreme Court in the landmark case Brown v. Board of Education of Topeka . [ 10 ] [ 11 ] [ 12 ] In some states, it took many years to implement this decision, while the Warren Court continued to rule against Jim Crow legislation in other cases ...
The yellow school bus, once an American staple for getting kids from point A to point B and a tool that helped ensure equal access to schools, is now so difficult to access that some parents are ...
The issue of school speech or curricular speech as it relates to the First Amendment to the United States Constitution has been the center of controversy and litigation since the mid-20th century. The First Amendment's guarantee of freedom of speech applies to students in the public schools. In the landmark decision Tinker v.
More than half of students in the United States attend school districts with high concentrations of people (over 75%) of their own ethnicity and about 40% of black students attend schools where 90%-100% of students are non-white. [10][11] Blacks, "Mongolians" (Chinese), Japanese, Latino, and Native American students were segregated in ...
Des Moines Independent Community School District. Tinker v. Des Moines Independent Community School District, 393 U.S. 503 (1969), was a landmark decision by the United States Supreme Court that recognized the First Amendment rights of students in U.S. public schools. The Tinker test, also known as the "substantial disruption" test, is still ...