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.

[Q]: Fact: Many consumers feed at more than one nutrient level. 
Question: Many consumers feed at more than one what?
[A]: nutrient level.


[Q]: Fact: Producers use unsaturated fatty acids to store energy. 
Question: What kind of organism uses unsaturated fatty acids to store energy?
[A]: producers.


[Q]: Fact: Magnetism can cause objects to have opposite charges. 
Question: What can cause objects to have opposite charges?
[A]:
magnetism.