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Biology, 30.04.2021 19:40 Samaritan

The willow flycatcher is a bird species with a summer range throughout much of the United States. Which of the following would directly decrease the size of a willow flycatcher population in a given year? A the disappearance of a species that preys on willow flycatchers
B the arrival of migrating willow flycatchers from populations in other areas
C male willow flycatchers that leave because they could not secure habitats
D the hatching of a larger percentage of eggs in the willow flycatcher population

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