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

Fact 2: Reef-building corals are hermatypic.

Given the two facts above, answer the question "Hermatypic organisms provide what to many ocean organisms?" with the following options: 
- survival
 - food and shelter
 - competition
 - kinetic energy
 - produce light
 - important habitats
 - protect them
 - major threat to health


 

  food and shelter       