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Soil retrogression and degradation are two regressive evolution processes associated with the loss of equilibrium of a stable soil.Retrogression is primarily due to soil erosion and corresponds to a phenomenon where succession reverts the land to its natural physical state.
An antonym is one of a pair of words with opposite meanings. Each word in the pair is the antithesis of the other. A word may have more than one antonym. There are three categories of antonyms identified by the nature of the relationship between the opposed meanings.
A contronym is alternatively called an autantonym, auto-antonym, antagonym, [3] [4] enantiodrome, enantionym, Janus word (after the Roman god Janus, who is usually depicted with two faces), [4] self-antonym, antilogy, or addad (Arabic, singular didd).
This article relating to moths in genus Acrocercops is a stub. You can help Wikipedia by expanding it.
Introgression is an important source of genetic variation in natural populations and may contribute to adaptation and even adaptive radiation. [7] It can occur across hybrid zones due to chance, selection or hybrid zone movement. [8]
Non-retroactivity is the legal principle that laws do not apply retroactively and ex post facto laws are forbidden. This principle may be applied to judicial decisions as well as statutory law.
The sudden startled arm-jerking response sometimes experienced when on the verge of sleeping is known as the hypnic jerk.. The evolutionary explanation for the existence of the hypnic jerk is unclear, but a possibility is that it is a vestigial reflex humans evolved when they usually slept in trees.
A heteronym (also known as a heterophone) is a word that has a different pronunciation and meaning from another word but the same spelling.These are homographs that are not homophones.