adaptation &#151; an evolutionary change in the structure and/or function that enhances the ability of individuals of a species to survive and/or reproduce within a specific environment.
(an evolutionary change in the structure and/or function; enhances; the ability of individuals of a species to survive and/or reproduce within a specific environment)
an evolutionary change in the structure and/or function
enhances
the ability of individuals of a species to survive and/or reproduce within a specific environment