What caused some family lines of siamese cats to change their appearance from the classic to the modern shape? a. an increase in genetic diversity b. adaptation c. natural selection d. artificial selection

A. an increase in genetic diversity

Explanation:

Genetic diversity is the degree of gene variety within a single species (animal or plant). It corresponds to the total number of genetic characteristics in the genetic composition of species or subspecies. Genetic diversity is one of the main aspects of our planet's biodiversity, such as populations and ecosystems.

In the case of Siamese cats, genetic diversity has caused some lineages to change their appearance from classic to modern. This occurred by crossing Siamese cats with cats of other breeds, creating a wide genetic variety that resulted in the change in appearance of these cats.

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