Select the correct answer. How do birds help the plant seen here reproduce? A. Burs attach themselves to the birds, which carry the burs away. B. Burs prevent birds from feeding on the seeds of plants. C. Birds don’t damage plants with lots of burs. D. Birds only make nests in trees with burs.

Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data