Respuesta :
The cactus population should be impacted by shrinking since the climate should be less suitable for the cactus.
Impact on the change in the cactus population:
Since the cactus species should be adapted to the desert climate. And, for many years, the climate should be wetter. So at the time of this change, the cactus population should be shrink since the climate should be less suitable for the cactus. Also, no more water resources should be available. Neither is fluctuating. Not it experiences any type of change.
Therefore, the option b is correct.
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