Why are coral reefs home to a huge diverse variety of species?
a. coral reefs have all the factors necessary to support plants, predators, and prey.
b. coral reefs keep predators, such as sharks, away providing a safe habitat for fish.
c. the presence of sunlight keeps animals away, allowing a variety of plants to thrive. eliminate
d. as deep ocean habitats, coral reefs provide a safe habitat for a variety of species.

The coral reefs have the huge diversity of the species because they have all the factors that are necessary for the survival of the different species. The reefs provide food and shelter to these inhabiting species. They are capable of supporting the predators, plants and the prey forming an entire ecosystem. They form the most productive ecosystem on the Earth proving to be a marine life haven.

hence, the correct answer is 'Option A'.