Biology, 02.09.2019 12:30 dorothylankford3823

Apopulation of hummingbirds is composed of individuals with short or long beaks, which they use to reach nectar inside flowers. a flowering trumpet vine that produces many deep, bell-shaped flowers is introduced to the region, resulting in fewer short-beaked and more long-beaked hummingbirds. which of the following conditions most likely caused this shift in the hummingbird population?

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