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: Unlike wild animals, what type of species are genetically uniform, making them more vulnerable to die-out from disease? Answer: domestic species

A: Unlike wild animals, domestic species type of species are genetically uniform, making them more vulnerable to die-out from disease.
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Q: Question: What is the key to the demographic transition? Answer: reduced family size

A: Reduced family size is the key to the demographic transition.
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Q: Question: What do you call the formation of a water vapor pocket? Answer: cavitation

A:
You call the formation of a water vapor pocket cavitation.
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