hard · SAT Reading & Writing
In a study of urban ecology, researchers hypothesized that the presence of 'pocket parks'—small, isolated green spaces—functions as a vital 'stepping stone' for migratory bird species, allowing them to traverse dense city centers that would otherwise be impassable. Which finding, if true, would most directly support the researchers' hypothesis?
- Radio-tagged birds were observed stopping at several pocket parks for rest and forage while moving between larger suburban habitats.
- Every migratory bird species in the region was found to prefer pocket parks over any other type of urban or rural environment.
- Populations of non-migratory urban birds, such as pigeons, showed no change in behavior following the creation of new pocket parks.
- Migratory bird sightings in large metropolitan parks remained constant regardless of the development of nearby pocket parks.
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