You are presented with the question "What are coral reefs home to?" and the following answer choices: 
- life
 - fish
 - H 2 O
 - humans
 - reptiles
 - tigers
 - a ray
 - eggs

Now knowing that sponges are a source of food for many species of fish and coral reefs are homes to thousands of different kinds of fish, sponges, algae, and mollusks, choose the best answer.


 

  fish       