In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Question: Of the nine classes of vertebrates, how many are fish? Answer: five
Of the nine classes of vertebrates, five many are fish.

Question: What's it called when the reaction is sped up until equilibrium is established? Answer: favoring
What's it called favoring the reaction is sped up until equilibrium is established.

Question: What occurs when organisms acquire and pass on new traits from one generation to the next generation? Answer: evolution
Evolution occurs when organisms acquire and pass on new traits from one generation to the next generation.