Animal behavior role on successful reproduction of plants

Plant reproduction can be made successful through animal interventions: Here are some examples of how animal behavior help plant reproduction:
1) Many plants rely to animals to deliver their pollen to other plants. These animals are called pollinators and include bees, birds, bats and other insects.
2)Other animals help plants reproduce by eating their fruits and scattering or digesting seeds. This will germinate the seeds and allow them to grow into new plants.

The correct answer is  b)