Coral reefs provide food and shelter to many ocean organisms, and organisms or living beings are literally things that are alive. Given these facts, coral reefs provide what to many living beings in the ocean among the following options:
- Chemical energy
 - salt and water.
 - shelter and amusement
 - survival
 - important habitats
 - food and water
 - water and fun
 - food and shelter


 

        food and shelter 