niche

Right from the beginning of any human or animal creature, one thing is obvious that is the importance of niche. Every single living article of thing entire universe is dependent on its very niche.
Sometimes various animals get so closer to their niche that they even preface death over any departure from their own places, but few are exact opposite they even change their places so frequently that they don't get obsessed by any kind of new environment. So one thing comes in between these two kinds of behaviors that sometimes it is easy to leave any particular niche and sometimes it is hard.
So what is "niche"?
Is it very essential need?
On the other hand, it is just a simple perception of individuals. Many of us don't like new places but so many people around our horizon we find, are so easy about adapting new situation, new challenges and of course new places. However, how are they so easy about it? It is simple they know their niche and they very well practice their all activities at their new places. It may be some times little time taking, But it should not be much time taking. These people, mainly they who feel easy about any kind of departure are little faster about creating their own niche around them when they are out of their places and yes, they are very particular about it, they usually create all their necessary arrangement even if they are out for few hours or few days only.
so one thing that is very important that one should always find their day to day basic necessity, it can be any kind of, either personal or social. Their is no place in any locality through out, that cannot be able to solve more than half of basic requirement of any one. Just by counting them on macro and micro level, one thing is very sure that niche is just the simple phenomenon that is very promising result of the adaptation process.