There is a small village in a mountain valley in spain where a largenumber of people are polydactyl (have more than fivefingers or toes)why does this trait tend to be passed on from generation to generation? pleassse hep

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

so whats the answer

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive