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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 ...
Swarm behaviour. A flock of auklets exhibit swarm behaviour. Swarm behaviour, or swarming, is a collective behaviour exhibited by entities, particularly animals, of similar size which aggregate together, perhaps milling about the same spot or perhaps moving en masse or migrating in some direction. It is a highly interdisciplinary topic.
The movement for compulsory public education (in other words, prohibiting private schools and requiring all children to attend public schools) in the United States began in the early 1920s. It started with the Smith-Towner bill, a bill that would eventually establish the National Education Association and provide federal funds to public schools ...
The subject of "Civics" has been integrated into the Curriculum and Content Standards, to enhance the comprehension of democratic values in the educational system. Civic literature has found that "engaging young children in civic activities from an early age is a positive predictor of their participation in later civic life". [1] As an academic ...
In the absence of the other effects, wave shoaling is the change of wave height that occurs solely due to changes in mean water depth – without alterations in wave propagation direction or energy dissipation. Pure wave shoaling occurs for long-crested waves propagating perpendicular to the parallel depth contour lines of a mildly sloping sea-bed.
Fishing – the activity of trying to catch fish. Fisherman or fisher – someone who captures fish and other animals from a body of water, or gathers shellfish. Fishery – the activities leading to and resulting in the harvesting of fish. It may involve capture of wild fish or raising of fish through aquaculture.
Nation-building is constructing or structuring a national identity using the power of the state. [1][2] Nation-building aims at the unification of the people within the state so that it remains politically stable and viable in the long run. According to Harris Mylonas, "Legitimate authority in modern national states is connected to popular rule ...
Compulsory education refers to a period of education that is required of all people and is imposed by the government. This education may take place at a registered school or at home or other places. Compulsory school attendance or compulsory schooling means that parents are obliged to send their children to a state-approved school. [1]