Aparticular species of sea bird underwent a genetic mutation that resulted in big beaks.  the larger size of beaks the bird to break open clams and other mollusks for food.  it also them defend themselves against predators.  after many generations, almost all of the organisms in the population have big beaks.  for which two reasons did this phenomenon occur?

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.