You are presented with the question "animals in the Phylum Porifera are a source of what for many species of fish" and the following answer choices: 
- oxygen
 - sound
 - food
 - waste
 - life
 - edible
 - Energy
 - amusement

Now knowing that sponges are a source of food for many species of fish and sea sponges are animals in the Phylum Porifera, choose the best answer.


 

   food      