This colorful diversity of life — like swimming through a tropical aquarium — is all thanks to the shallow coral reefs that exist west of Key West.
For the poorest farmers, the diversity of life may be their best protection against starvation.
The Great Barrier Reef supports a wide diversity of life, and was selected as a World Heritage Site in 1981.
The rocks andpools here create an abundance of opportunities and host a diversity of life torival any rain forest.
