Competitive exclusion occurs when "<span>a. organisms attempt to fill the same niche" mostly due to the fact that they are competing over the same food source, which is always limited in some way.</span>
Answer:
Dorothea Lynde Dix (1802-1887) was an author, teacher and reformer. Her efforts on behalf of the mentally ill and prisoners helped create dozens of new institutions across the United States and in Europe and changed people's perceptions of these populations.
Explanation:
<span>A
particular system of thought or doctrine is called a philosophy. Oligarchy is
related to business or country held by a small group of people. Diaspora
pertains to people leaving outside their hometowns or countries. Messiah is an
omnipotent Christian god.</span>
D. To improve the lives of others
I’m pretty sure it’s New Netherland