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: Fossils are remnants of ancient life. 
Question: What ancient life remnants are studied?
fossils.

Fact: All cnidarians live in water. 
Question: All cnidarians live in?
water.

Fact: Crossing two living things with freckles causes their offspring to have freckles. 
Question: Crossing two living things with freckles causes who to have freckles?

offspring.