PART B: Which evidence from the selection best supports Part A?

At the University of California-Davis, animal
nutrition expert Kirk Klasing is studying how
birds taste and assess the nutritional profiles of
foods. (Paragraph 6)

Putting out high-quality seeds, bought as fresh
as possible and stored in a dry, clean place,
seems to offer seed-eating birds the best of all
worlds: highly nutritious food that is also easily
processed. (Paragraph 8)

Many of the group's recommendations will be
based on Project Wildbird, a 2005-2008 study
led by Horn in which several thousand volunteers

If you watch your feeder closely, you may observe the animals lightly rattling individual seeds in their bill to weigh and taste them before deciding whether to drop them to the ground or to eat them. (Paragraph 5)