Question

select the best evidence to support the statement that migrating birds consume food to prepare for their migrations.
people visiting yosemite national park will see different bird behaviors depending on the time of year and habitat. during the winter, it is a treat to watch john muir’s favorite bird, the american dipper, as it plunges underneath ice in its search for aquatic insects and minnows. during spring and fall, large numbers of migrating birds can be seen and heard as they flock through the vegetation, busily foraging on insects, seeds, berries, or other birds to build their fat supplies to supply themselves with fuel for their long journeys. spring in yosemite is especially exciting, when migrant flocks of warblers, flycatchers, and tanagers with brightly colored feathers and melodic songs grace the landscape.

Explanation:

To support the statement that migrating birds consume food to prepare for migrations, we look for text that links bird foraging (eating) to migration preparation. The relevant sentence is: "During spring and fall, large numbers of migrating birds can be seen and heard as they flock through the vegetation, busily foraging on insects, seeds, berries, or other birds to build their fat supplies to supply themselves with fuel for their long journeys." This explains that migrating birds forage (consume food) to build fat supplies (prepare) for their migrations.

Answer:

During spring and fall, large numbers of migrating birds can be seen and heard as they flock through the vegetation, busily foraging on insects, seeds, berries, or other birds to build their fat supplies to supply themselves with fuel for their long journeys.