Populations of cliff swallows in Nebraska have experienced a significant decrease in the number
of road kills over the past 30 years. Describe two alternate hypotheses that could explain this observation, one that relies on natural selection and one that does not, and explain how you would
test these hypotheses.

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The Answer of Populations of cliff swallows in Nebraska have experienced a significant decrease in the number
of road kills over the past 30 years. Describe two alternate hypotheses that could explain this observation, one that relies on natural selection and one that does not, and explain how you would
test these hypotheses.

Populations of Cliff Swallows in Nebraska Have Experienced a Significant