Fact 1: Coral reefs provide food and shelter to many ocean organisms.

Fact 2: Coral reefs are nurseries of the ocean.

Given the two facts above, answer the question "What provides food and shelter to many ocean organisms?" with the following options: 
- Fast food.
 - It helps them survive
 - Fish food.
 - gastropod shells
 - Human organisms.
 - important habitats
 - sedimentary rocks
 - Nurseries of the ocean.


 

        Nurseries of the ocean. 