From Wikipedia, the free encyclopedia. An ecological niche is the part of the environment into which a species fits, and to which it is adapted. A shorthand definition of niche in biology is how an organism makes a living in a place. A niche can be occupied by different species, all of which 'earn their living' in roughly the same way.
Birthright is a non-profit charitable organization that has been providing love and support for over 45 years to women facing unplanned pregnancies. With emotions overwhelming and circumstances seeming impossible, Birthright wants these women to know that they are not alone. There is hope for them and for their baby.
Hereâs why: 1  United States citizenship is based on birthright rather than on the âright of blood.â Birthright citizenship means that citizenship depends on where a person is born rather than who his or her parents are. The birthright basis of U.S. citizenship was confirmed by the U.S. Supreme Court in 1898.