Fact 1: Sponges are a source of food for many species of fish.

Fact 2: Food is only nutritious if it is eaten.

Given the two facts above, answer the question "What is a source of nutrition for many fish?" with the following options: 
- Energy
 - rope
 - hydration
 - shoes
 - glucose
 - sponges
 - supplements
 - Energy.


 

      sponges   