Habitat loss..The most harmful threat to biodiversity is the D. Habitat loss.
It's not easy to live in a place that you no longer have any means of living. If ones organism loss his habitat, chances are they will extinct because of the absence of their basic needs.
Answer:
They were introduced by humans
Explanation:
I attached a PDF document, just take a part of it that seems to work the best, and put it through a paraphrasing tool so it doesn't get flagged for plagiarism
