Many species of birds are behaviorally adapted to migrate from one area to another as the seasons change. Often, this migration involves the birds flying north toward the Arctic during the summer and returning south during the winter. These birds have most likely adapted their behavior of migration because it allows them to
a. burn excess energy during times when increased food is available
b. find food more easily during stressful environmental conditions
c. decrease the number of individuals killed by predatory birds.
d. increase their reproductive success by leaving offspring in many areas.

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  1. find food more easily during stressful environmental conditions

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