What is an advantage of a wind energy? A. The supply of wind for use as a fuel will never run out.
B. The cost of maintaining wind farms is high for the energy generated.
C. Areas with constant winds are needed for the placement of the wind turbines.
D. Large acres of land are needed for the placement of large numbers of turbines.

i think i can answer even without the example. over time with environmental changes, sometimes a group of animals will adapt to better survive. take a moth for example. if the trees the moths use to camouflage themselves from predators, started to die or change colors themselves, the moths may, overtime of course, change color too. its just adapting to its surroundings. hope i was of any : )