What happens when alien species are introduced unintentionally or deliberately?
A. Decrease of alien species
B. Increase in habitat
C. They turn invasive and cause increase species
D. They turn invasive and cause decline or extinction of indigenous species
Answer:D
What happens when alien species are introduced unintentionally or deliberately?
A. Decrease of alien species B. Increase in habitat C. They turn invasive and cause increase species D. They turn invasive and cause decline or extinction of indigenous species