Researchers plotted a distribution curve for leg length in a population of birds, with length from short to long on the x-axis. The curve shifts to the right after a disturbance. Which statement is correct about natural selection in this population of birds? (1 point)
ltem1
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• Birds with long legs and birds with short legs were selected for.
• Birds with long legs were selected for.
• Birds with medium-length legs were selected for.
• Birds with short legs were selected for.