Animals can help plants reproduce in a variety of ways. Which behavior can end up being more harmful than helpful?

Question

Options:
Birds eat berries and seeds, dispersing the seeds in their dropping as they fly
Iguana and tortoises eat leaves, fruits, and flowers, relying on each as important seasonal food sources
Hummingbirds drink the nectar of flowers, and they will defend their territory in order to secure their food supply
Insects like bees and butterflies drink nectar, carrying pollen from one flower to another

Answer 1

The behavior that can end up being more harmful than helpful is when birds eat berries and seeds, dispersing the seeds in their droppings as they fly. While this behavior helps in seed dispersal, it can also lead to the spread of invasive plant species if the birds consume and excrete the seeds of invasive plants.

Answer 2

Pick out of my options

Answer 3

Based on the given options, the behavior that can end up being more harmful than helpful is when birds eat berries and seeds, dispersing the seeds in their droppings as they fly.