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: Does blood flow increase or decrease when blood vessels constrict? Answer: decrease

A: Blood flow decrease when blood vessels constrict.
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Q: Question: What is defined as the temperature plus precipitation of an area over a long period of time? Answer: climate

A: The climate is defined as the temperature plus precipitation of an area over a long period of time.
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Q: Question: Only about one percent of plants have lost what ability, turning them into consumers and even predators, instead of producers? Answer: photosynthesis

A:
Only about one percent of plants have lost photosynthesis ability, turning them into consumers and even predators, instead of producers.
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