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: temperature can change the state of matter. 
Question: What can change the state of matter?

SOLUTION: temperature.

PROBLEM: Fact: prokaryotes can make proteins. 
Question: what can make proteins?

SOLUTION: prokaryotes.

PROBLEM: Fact: Bottleneck effect occurs when the number of people suddenly gets much smaller. 
Question: What is it called when the number of people suddenly gets smaller?

SOLUTION:
bottleneck effect.