You are presented with the question "What is a source of nutrition for many fish?" and the following answer choices: 
- Energy
 - rope
 - hydration
 - shoes
 - glucose
 - sponges
 - supplements
 - Energy.

Now knowing that sponges are a source of food for many species of fish and food is only nutritious if it is eaten, choose the best answer.


 

      sponges   