* Which example is NOT an outcome of the ecosystem modifying a phenotype?
A. the changing of the color of an animal's fur as the temperature changes
B. the increased intelligence of a person who attended school for many years
C. the pink-flowered snapdragons that result from crosses between red-flowered and
white-flowered snapdragon plants
D. the very short stature of a kind of tree that grows at a high altitude in comparison with
the same kind of tree growing at a lower altitude