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Author Question: After reading the paragraph below, answer the questions that follow.Scientists were interested in ... (Read 142 times)

Chloeellawright

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After reading the paragraph below, answer the questions that follow.

Scientists were interested in studying differences in the frequency of foraging behaviors demonstrated in two species of flycatchers (birds) in California. They were specifically interested in determining if the overall distribution of foraging behaviors was associated with the stage of the breeding cycle of the two species. Here are some of the data collected:

The number of foraging behaviors observed by stage of the breeding cycle for Hammond's and Western flycatchers in northwestern California
Stage of Breeding Cycle
Bird SpeciesForaging BehaviorPre-incubationIncubationBroodingPost-Brooding
Hammond's FlycatcherFlycatch10454720
Hover-glean32939087
Glean0230
Western FlycatcherFlycatch17388053
Hover-glean121213210234
Glean4414
Source: Noon, B. R., and Sakai, H. F. (1990). Variation in the foraging behaviors of two flycatchers: associations with stage of the breeding cycle. Studies in Avian Biology, 13: 237-44.


Suppose that Hammond's flycatchers tend to forage as individuals while Western flycatchers tend to forage in groups. Which prediction is most reasonably related to foraging costs?
◦ Western flycatchers would be more likely to show decreased foraging efficiency.
◦ Hammond's flycatchers would be more likely to show increased foraging efficiency.
◦ Hammond's flycatchers would be more likely to show decreased foraging efficiency.
◦ Western and Hammond's flycatchers would show equivalent foraging efficiency.


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Marked as best answer by Chloeellawright on Jul 15, 2019

tmlewis4706

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