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(A) An $Ecotype$ is a genetically distinct population of a species adapted to a specific habitat in a different geographical area.An $Ecophene$ (also

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Ecophenes

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(A) An $Ecotype$ is a genetically distinct population of a species adapted to a specific habitat in a different geographical area.An $Ecophene$ (also known as an ecad) refers to phenotypic variants of a single genotype that arise due to changes in the environment or habitat.$Phenotypic 	ext{ } Plasticity$ is the ability of an organism to change its physiology or behavior in response to different environmental conditions.For example, when a person living in a plain area moves to a high-altitude mountain region, their body produces extra $R.B.C.$ cells to help transport the limited available oxygen. This physiological change is an example of phenotypic plasticity, and the resulting variants are called ecophenes.

Phenotypic variants formed in a population due to change in environment are called

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