Study the following and pick up the incorrect statements:
I. In commensalism both partners are benefitted due to each other.
II. In amensalism no partner is benefitted.
III. In parasitism, one partner is benefitted and the other is harmed.
IV. In competition both the partners are benefitted.
An ornamental shrub species was brought from Japan in the early 1800s to India, where it was planted frequently in gardens and parks. The species persisted for many decades without spreading, and then began to spread invasively fifty years ago. Which one or more of the following processes could have led to it becoming invasive?
