All organisms have adaptations that help them survive and thrive. Some adaptations are structural. Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Other adaptations are behavioral. Behavioral adaptations are the things organisms do to survive. For example, bird calls and migration are behavioral adaptations. Adaptations are the result of evolution.
Mahalia Jackson became one of the most influential gospel singers in the world. At most of Dr. King's speeches and rallies she sang Amazing Grace and other uplifting songs. At the March on Washington in 1963, she sang I've Been 'Buked, and I've Been Scorned in front of 250,000 people.
The Jackson 5 made it a hit in 1970, and then Mariah -- preserving the magic during this tribute performed at her MTV Unplugged special -- did it again 22 years later. 11. One Sweet Day (16 weeks, 1995-1996). It was more than one sweet day for Mariah and Boyz II Men -- it spent a whopping 16 weeks at No. 1.