A portion of grass in a prairie ecosystem was destroyed by wildfire. What will most likely happen to the population of bison that feed on the grass?

Bison depend on grass for food. When a portion of the grass is destroyed by wildfire, less food is available, so the bison population will most likely decrease. The fire is unlikely to wipe out all the bison, so choice B, “The number of bison will decrease,” is the best answer.

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