Adaptation.

Change is the only thing that is constant. Things never remain the same and we have to get accustomed to that fact. People, industries, economy and many other factors do keep on changing and we have to adapt ourselves to it to survive. Life goes on that way. It is not only enough to get adapted to the environment which we live in, but we should also find out ways to succeed in such a changed environment. In every step that we take we have to try to prove ourselves. We have to prove and show that we can survive in extreme situations that arise during different times over a period of time. Adaptations help to cope up with the environmental pressures and the stresses. Adaptation could be structural, behavioral or physiological. Adaptation fits mostly to the animals that will have to adapt to different periods. If they fail to adapt, they have to move out of their habitat or have to die out.