Question

Species introduced to non-native ecosystems do which of the following?

A. add to the biodiversity of the ecosystem

B. perform important ecological services that were lacking prior to their introduction

C. become invasive in the absence of predators or pathogens that can keep them under control

D. do not contribute to species extinctions

Answer 1

C. become invasive in the absence of predators or pathogens that can keep them under control