Coral reefs ... A. provide the lowest biodiversity of all marine ecosystems B. provide the second highest biodiversity of all marine ecosystems C. provide the highest biodiversity of all marine ecosystems D. contain no biodiversity at all

Coral reefs C. provide the highest biodiversity of all marine ecosystems.

Biodiversity can be defined as the variety of living species that can be found in a particular place, ecosystem, region, etc. Coral reefs are considered to have the highest biodiversity of all marine ecosystem on the planet. Sitting on less than one percent of the ocean floor, coral reefs are home to more than twenty-five percent of marine life.