Animals can help plants reproduce in a variety of ways. Which behavior can end up being more harmful than helpful? A. Birds eat berries and seeds, dispersing the seeds in their droppings as they fly.

B. Iguanas and tortoises eat leaves, fruits, and flowers, relying on each as important
seasonal food sources.

C. Insects like bees and butterflies drink nectar, carrying pollen from one flower to
another.

D. Hummingbirds drink the nectar of flowers, and they will defend their territory in
order to secure their food supply.