Tropical rain forests have the greatest biodiversity of any type of land ecosystem. How does biodiversity contribute to the sustainability of an ecosystem?

The presence of more species with different adaptations makes it more likely that some organisms will survive an ecological disaster.

Greater genetic variation with species makes it more likely that some individuals will survive a disease outbreak.

The presence of a variety of herbivore species that can feed on a large number of different producer species helps ensure abundant prey for predators in the ecosystem.

All of the above