Which statement best defines an invasive species?

A species that migrates to a new ecosystem seasonally.

Any species that lives in an ecosystem it was not originally from.

A native species that has become overpopulated due to a lack of predators.

A non-native species whose introduction causes harm to the ecosystem.

If an invasive predator that eats small birds is introduced to an island, what is the most immediate and direct effect on the native parrot population?

The parrot population will likely decrease due to increased predation.

The parrots' main food source will suddenly become more abundant.

The parrots will quickly evolve new defenses against the predator.

Other native predators on the island will help the parrots fight the new predator.

It will provide a valuable new food source for all native herbivores.

It will block sunlight, preventing native plants from growing.

It will make the soil more fertile for native tree seedlings.

It will attract more pollinating insects to the forest.

The flower population may decline due to a lack of pollination.

The invasive predator will start pollinating the flowers instead.

The flowers will quickly adapt to be pollinated by insects.

The soil nutrients will increase, causing the flowers to grow larger.

It causes the climate of the ecosystem to change rapidly.

It increases the overall biodiversity by adding a new species.

It alters the food web and outcompetes native species for resources.

It forces native species to migrate to a completely new environment.