Rainbow trout live in the rivers and streams of upstate New York. Rivers in this area are cold and have strong currents. If temperatures fall over time because of climate change, what is one variation that would likely help the trout to survive? Why? Write 1-2 sentences.(2 points)

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One variation that would likely help the trout to survive is the development of genetic adaptations that allow them to tolerate warmer water temperatures. This would enable them to continue thriving in their habitat despite changing environmental conditions.

One variation that would likely help rainbow trout to survive in the face of falling temperatures due to climate change is the development of a thicker layer of subcutaneous fat. This adaptation would provide additional insulation and help the trout to withstand colder water temperatures.