How did the drought most likely affect populations of grasshoppers living in the grassland ecosystems? Choose the correct answer. A. The insects adapted to eat other available foods instead of grass.

B. Populations increased because other insects were eliminated from the environment. C. Populations decreased because the resources the grasshoppers needed were not available.

D. Populations of grasshoppers were not affected because the size of a population cannot change over time.
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