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Clinical equipoise allows investigators to continue a trial until they have enough statistical evidence to convince other experts of the validity of their results, without a loss of ethical integrity on the part of the investigators. Equipoise is also an important consideration in the design of a trial from a patient’s perspective.
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.
Equipoise may refer to: . Clinical equipoise, or the principle of equipoise, a medical research term; Equilibrioception, the state of being balanced or in equilibrium; Boldenone undecylenate, an anabolic steroid, by the trade name Equipoise
This is the principle Lashley referred to as equipotentiality. Extensive regions of the cerebral cortex have the potentiality for mediating specific learning and memory functions. His principle of "mass action" stated that the cerebral cortex acts as one—as a whole—in many types of learning.
Allen's rule - Hare and its ears on the Earth [1]. Allen's rule is an ecogeographical rule formulated by Joel Asaph Allen in 1877, [2] [3] broadly stating that animals adapted to cold climates have shorter and thicker limbs and bodily appendages than animals adapted to warm climates.
In ecology, the competitive exclusion principle, [1] sometimes referred to as Gause's law, [2] is a proposition that two species which compete for the same limited resource cannot coexist at constant population values. When one species has even the slightest advantage over another, the one with the advantage will dominate in the long term.
The basic principle behind the organisation is the concept of emergence—the properties and functions found at a hierarchical level are not present and irrelevant at the lower levels. The biological organisation of life is a fundamental premise for numerous areas of scientific research , particularly in the medical sciences .
Mutual Aid: A Factor of Evolution is a 1902 collection of anthropological essays by Russian naturalist and anarchist philosopher Peter Kropotkin.The essays, initially published in the English periodical The Nineteenth Century between 1890 and 1896, [1] explore the role of mutually beneficial cooperation and reciprocity (or "mutual aid") in the animal kingdom and human societies both past and ...