Which of the following scenarios most realistically demonstrates overproduction

a.) a sea turtle lays 20 eggs, and no offspring make it to maturity because construction workers disturb the nest before offspring hatch

b.) a seat turtle lays 20 eggs, all of the offspring hatch. only 5 male it to adulthood because 15 are eaten as babies by seagulls

c.) a seat turtle lays 20 eggs, and 18 offspring hatch. only 10 make it to adulthood because. limited food supply causes 5 to be eaten and 3 to starve

d.) a seat turtle lays 20 eggs, and all the offspring survive to maturity