D. Backbones.
All of the animals listed are vertebrae, a classification of animals that means they have backbones. Fish do not have legs, lungs, or hair, and birds lack hair as well.
<span>"peace in our time."
CAM I HAVE THE BRANLIEST ANSWER PLEASE</span>
During the Cold War the United States and the Soviet Union engaged a competition to see who had the best technology in space. The Space Race was considered important because it showed the world which country had the best science, technology, and economic system.
Because white people did not want black sitting next to them on a bus and not share water fountain. hope it helps u :)
