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The pygmy mammoth is an example of insular dwarfism, a case of Foster's rule, its unusually small body size an adaptation to the limited resources of its island home.. A biological rule or biological law is a generalized law, principle, or rule of thumb formulated to describe patterns observed in living organisms.
A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference. Cheat sheets were historically used by students without an instructor or teacher's knowledge to cheat on a test or exam. [1] In the context of higher education or vocational training, where rote memorization is not as important, students may be ...
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Biology is the science of life. It spans multiple levels from biomolecules and cells to organisms and populations. Biology is the scientific study of life. [1] [2] [3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field.
However, in natural bee and wasp societies, only 0.01–0.1% and 1%, respectively, of the workers lay eggs, suggesting that strategies exist to combat cheating to prevent tragedy of the commons. [13] [18] These insect systems have given scientists opportunities to study strategies that keep cheating in check. Such strategies are commonly ...
Pharmaceutical preparations with magnesium are used to treat conditions including magnesium deficiency and hypomagnesemia, as well as eclampsia. [10] Such preparations are usually in the form of magnesium sulfate or chloride when given parenterally. Magnesium is absorbed with reasonable efficiency (30% to 40%) by the body from any soluble ...
His contributions include the Brasier–Schopf debate on critical testing of questionable 3460 Ma Apex chert 'microfossils' at NASA; work on the earliest well-preserved fossils of cells (biology) (3430 Ma Strelley Pool); the pumice hypothesis for the origins of life; mapping the earliest life on land (1000 Ma Torridonian); and the palaeoecology, development and evolution of Ediacaran to early ...
Similar forms exist in Lithuanian puižė and Irish puisín or puiscín. The etymology of this word is unknown, but it may have arisen from a sound used to attract a cat. [9] [10] A male cat is called a tom or tomcat [11] (or a gib, [12] if neutered). A female is called a queen [13] [14] (or sometimes a molly, [15] if spayed).