What aspect of an organism makes it an invasive species?
A. It does harm and is introduced to the ecosystem.
B. It is from a different ecosystem.
C. It is harmful to organisms in all ecosystems.
D. It has no predators in the new ecosystem.
A. It does harm and is introduced to the ecosystem.
B. It is from a different ecosystem.
C. It is harmful to organisms in all ecosystems.
D. It has no predators in the new ecosystem.