instruction:
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.
question:
Fact: food contains organic molecules. 
Question: What does food contain?
answer:
Organic molecules.


question:
Fact: Blood feeders can enter the host through the skin. 
Question: What can enter a host through the skin?
answer:
Blood feeders.


question:
Fact: a map of the types of hemoglobin in the family tree is a useful tool for studying inheritance patterns. 
Question: A map of the types of hemoglobin in the family tree is a useful tool for studying what?
answer:

inheritance patterns.