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www.reference.com/article/genetic-variation-important-evolution-50cbb33e647471e3

Genetic variation is important to evolution because it helps to maintain the health of a population by constituting alleles that may be useful in overcoming stresses such as diseases and pests. Without genetic variation, some of the fundamental mechanisms of evolutionary changes would not operate.

www.reference.com/article/evolution-work-168ac88bf0418608

Evolution works by selecting in favor of the reproduction of some organisms in a population at the expense of other individuals. Natural selection works to eliminate the less inclusively fit from the population, either through death or failure to reproduce, and so drives the gene pool to fit the env

www.reference.com/article/evolution-fact-fdb00d65d6b094db

In scientific terms, evolution is both a theory and a fact. A fact refers to a scientific explanation that has been tested and confirmed often enough that there is no reason to keep looking for additional examples. Scientists accept evolution as a fact due to overwhelming evidence supporting it.

www.reference.com/article/natural-variation-c6cacbed6f186cf1

Natural variations, also known as genetic variations, are mutations that randomly occur during sex cell division. These variations lead to different phenotypes that change an offspring's ability to survive and reach sexual maturity.

www.reference.com/science/organic-evolution-a73b9b79f60f9d55

Organic evolution are the events involved in the evolutionary development of a species. It means that all life descended from other life, although features may have changed dramatically along the way.

www.reference.com/science/theory-evolution-c982b705c12f27ae

The theory of evolution proposed by Charles Darwin entails the evolution by natural selection of all life on earth. It states that new generations are born with different inheritable traits, and that the traits that are superior for survival will be passed on to new generations. This means that give

www.reference.com/business-finance/variation-order-30dcdacd0e7a7348

A variation order is a change, often in construction, that modifies all or part of an existing order. Many construction projects undergo changes, especially after the beginning of building, and the cost impact on a construction project with a variation order can be costly.

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

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. Gene alleles determine distinct traits passed on fro

www.reference.com/article/direct-variation-1def427678cd9cb7

The term "direct variation" refers to a mathematical correlation between two variables where one variable can be represented as a constant multiple of the other unknown quantity. It is also known as a "direct proportion."

www.reference.com/article/theory-evolution-state-b8de27a02f6a712e

Darwin's theory of evolution states that evolution happens by natural selection. According to the evolutionary theory, the genes that allow a species to thrive are passed down from parent to offspring. Individuals of a particular species often have a wide range of variation and this variation occurs