Mountain, basin, and hybrid sagebrush were each raised in the three different habitats where they are found. What is likely to happen to the hybrid zone?
a. It will disappear because the basin population will move up the mountain and replace the hybrids.
b. It will disappear because the mountain population will move down the mountain and replace the hybrids.
c. It will disappear because the basin population will move up and the mountain population will move down the mountain and replace the hybrids.
d. It will persist because the hybrids have the highest fitness in the hybrid zone.
D
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