TASK DEFINITION: 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.
PROBLEM: Fact: The cause of smallpox is usually thought to be nonliving. 
Question: Many believe the cause of smallpox to be what?

SOLUTION: Nonliving.

PROBLEM: Fact: Energy enters ecosystems from the sun. 
Question: The sun contributes what to ecosystems?

SOLUTION: energy.

PROBLEM: Fact: Nephrons are the structural and functional units of an organ that filters blood. 
Question: What are the structural and functional units of the organ that filters blood?

SOLUTION:
nephrons.