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www.britannica.com/science/variation-biology

Variation: 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).

www.reference.com/science/variation-science-60ca47514e6836cb

What Is Variation in Science? Variation, a term in genetic science, refers to a genetic change that causes differing characteristics between organisms in a certain species. Much of the variation within and between species is due to differential regulation of genes and alleles.

www.biology-online.org/dictionary/Variation

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.

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...

www.dictionary.com/browse/variation

Variation definition, the act, process, or accident of varying in condition, character, or degree: Prices are subject to variation. See more. Variation | Define Variation at Dictionary.com

www.thoughtco.com/genetic-variation-373457

Genetic variation refers to differences in the genetic makeup of individuals in a population. Genetic variation is necessary in natural selection. In natural selection, organisms with environmentally selected traits are better able to adapt to the environment and pass on their genes.

www.bbc.com/bitesize/guides/z9gk87h/revision/3

Learn about variation and how it is can be caused by inherited or environmental factors with BBC Bitesize KS3 Science.

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.

sentence.yourdictionary.com/variation

It has been the habit of biologists to use the terms variation, selection, elimination, correlation and so forth, vaguely; the new school, which has been strongly reinforced from the side of physical science, insists on quantitative measurements of the terms. When the anatomist says that one race is characterized by long heads, another by round ...

www.dictionary.com/browse/continuous-variation

Continuous variation definition, variation in phenotypic traits such as body weight or height in which a series of types are distributed on a continuum rather than grouped into discrete categories. See more.