Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

Fact: Algae play significant roles as producers oceans. 
Question: In the ocean, algae play a significant role as what?
producers.

Fact: The eye is an organ that can sense photons. 
Question: What does the organ of the eye sense?
Photons.

Fact: Some producers have leaves to help use energy and inorganic molecules. 
Question: Some producers use what physical feature to use energy and inorganic molecules?

leaves.