Sponges are a source of food for many species of fish.
Sea sponges are animals in the phylum porifera.
Animals in the phylum porifera are a source of food for many species of fish.
animals in the Phylum Porifera are a source of what for many species of fish

(a) oxygen
(b) sound
(c) food
(d) waste
(e) life
(f) edible
(g) Energy
(h) amusement