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: Coral Reefs are found in the salt water of the ocean. 
Question: what are found in the salt water of the ocean?
Coral Reefs.

Fact: ecosystems use sunlight for growth. 
Question: What do ecosystems use sunlight for?
growth.

Fact: Prokaryotes are single celled living things that lack a nucleus. 
Question: Prokaryotes are single celled living things in the animal kingdom that don't have a what?

nucleus.