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.
World Health Organization. The World Health Organization (WHO) is a specialized agency of the United Nations that is concerned with international public health. It was established on 7 April 1948, headquartered in Geneva, Switzerland. The WHO is a member of the United Nations Development Group. Its predecessor, the Health Organization, was an agency of the League of Nations.