How do species adapt to their environment?
There are different ways that species can adapt to their environments. The genome of living organisms are the basis that allows them to modify previous features related to anatomo-physiological and behavioral characteristics that were typical and common to the original environment, in which these species evolved.
For example, imagine a normal white person consistently exposed to the sun. The higher and constant stimulus provided by the new environment (i.e. larger amount of radiation) forces the organism to produce more melanin, the related skin and tissue protein which protect the respective tissues and body from excessive incoming and dangerous sunlight. So, there's a tendency to produce more and more melanin, but its production is limited to the genetic capacity to response on this phenomena. A person who have albinism
Also, you could hypothesize living beings fitting low air moisture and pressure, different average temperatures, soil constitution, concentration of solved oxigen in water or atmosphere, and so on. The response generated varies, comparatively, on the driving forces of the biotic and abiotic environmental pressure (weak, moderate or strong) and the own capacity to produce immediate responses to the new facing stimulus. That kind of immediate and specific response is called
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