Coral reefs are found in coastal ecosystems. Coral reefs have a high biodiversity. Which statement is true about coral reefs?

A. Matter and energy are not easily passed throughout a coral reef.

B. Coral reefs usually contain only a few different types of fish and coral.

C. Coral reefs would not be able to recover from an ecosystem disturbance.

D. There are many different species of plants and animals found on a coral reef.