Suppose several houseflies were allowed to enter the worm bins and feed on the food. which of the following would likely happen to the population of worms?

a. the worm population would decrease because the worms would have to compete with the flies for food.

b. the worm population would not be affected by the flies.

c. the worm population would decrease because the worms would get eaten by the flies.

d. the worm population would increase because the flies would add more living tissue to the bins.