What is the most serious threat to New Zealand's indigenous plant and animal species?

Question

Quizplus · Accepted Answer

The introduction of exotic plant and animal species from elsewhere around the world poses the most serious threat to New Zealand's indigenous plant and animal species. These introduced species often compete with native species for resources and often have no natural predators, leading to invasive populations that can decimate native populations. This has already resulted in the extinction of several native species and threatens many more.

What Is the Most Serious Threat to New Zealand's Indigenous