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.

Q: Question: What is the name for a series of changes in the reproductive system of mature females that repeats every month on average? Answer: menstrual cycle

A: Menstrual cycle is the name for a series of changes in the reproductive system of mature females that repeats every month on average.
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Q: Question: What is the unit of evolution? Answer: population

A: Population is the unit of evolution.
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Q: Question: The fossil record indicates that anthropoids began diverging from other primates about how many million years ago? Answer: 50

A:
The fossil record indicates that anthropoids began diverging from other primates about 50 many million years ago.
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