Sponges are a source of food for many species of fish, and sea sponges are animals in the Phylum Porifera. Given these facts, animals in the Phylum Porifera are a source of what for many species of fish among the following options:
- oxygen
 - sound
 - food
 - waste
 - life
 - edible
 - Energy
 - amusement


 

   food      