British land snails primarily occur in two extreme phenotypes and this is an example of disruptive selection.
The term "phenotype" refers to the evident physical properties of associate organism; these embody the organism's look, development, and behavior. associate organism's composition is set by its genotype, that is that the set of genes the organism carries, likewise as by environmental influences upon these genes.
Three types of selection are stabilising, directional and disruptive selection. Disruptive selection is a mode of selection within which extreme values for an attribute are favored over intermediate values.Example of disruptive selection is black and white color oysters.
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