Introducing a non-native species can harm an ecosystem because it

  1. always dies quickly
  2. removes pollution
  3. may compete with or eat native species
  4. increases rainfall
Answer

C) may compete with or eat native species

Invasive species lack natural predators. O Level Biology · Topic 19 Relationships of Organisms with One Another and with the Environment · 19.4 Effects of humans on ecosystems

Biology MCQ · More O Level Biology: Organisms and the Environment MCQs · Practise