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www.biology-online.org/dictionary/Variation

(genetics) A variant or a mutant. Supplement. Variation, in general sense, pertains to the deviations or divergences in a set or a group. In biology, variation refers to the differences or deviations (e.g. in structure, form, function) from the recognized norm or standard.It may be a modification in structure, form or function in an organism, deviating from other organisms of the same species ...

www.britannica.com/science/variation-biology

Variation, in biology, any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences (genotypic variation) or by the effect of environmental factors on the expression of the genetic potentials (phenotypic variation).Variation may be shown in physical appearance, metabolism, fertility, mode of reproduction, behaviour, learning and ...

study.com/academy/lesson/what-is-genetic-variation-sources...

Natural selection is the process that drives evolution, but what drives natural selection? Genetic variation increases the genetic diversity in and among populations, allowing for new traits to ...

en.wikipedia.org/wiki/Evolution

Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes that are passed on from parent to offspring during reproduction.Different characteristics tend to exist within any given population as a result of mutation, genetic recombination and other sources of genetic variation.

encyclopedia2.thefreedictionary.com/Variation+(biology)

variation, in biology: see Darwinism Darwinism, concept of evolution developed in the mid-19th cent. by Charles Robert Darwin. Darwin's meticulously documented observations led him to question the then current belief in special creation of each species.

www.answers.com/Q/Define_the_term_variation_in_the_context...

Define the term variation in the context of evolution? ... Mutations, gene flow and sex are the primary sources of genetic variation which may lead to evolution. Without genetic variation ...

www.collinsdictionary.com/dictionary/english/variation

Hindess, Barry Choice, Rationality, and Social Theory (1988) It is interesting that there is a great deal of variation in the position of the superior temporal line in present-day humans. Wills, Christopher The Runaway Brain: the Evolution of Human Uniqueness (1993) This position is a variation from the Evans Gambit. Times, Sunday Times (2013)

www.merriam-webster.com/dictionary/variation

Variation definition is - the act or process of varying : the state or fact of being varied. How to use variation in a sentence.

socratic.org/questions/how-does-variation-lead-to-evolution

Variation provides natural selection with choices. Natural selection can not create variations it can only eliminate the existing variations that are not as well adapted to the changing environment as others. Natural selection acts like a racket. Natural selection preserves variations that are best suited to environment. An example of natural selection selecting variations best suited to the ...

www.thefreedictionary.com/variation

Define variation. variation synonyms, variation pronunciation, variation translation, English dictionary definition of variation. n. 1. a. The act, fact, or process of varying. b. The extent or degree to which something varies: a variation of ten pounds in weight. 2. Something...