Answer:
monkeys have advanced to a human like form
I think this question is missing something. Can you check and repost it?
Anwser
Explanation:
Under the Endangered Species Act (ESA), plant and animal species may be listed as either endangered or threatened. “Endangered” means a species is in danger of extinction throughout all or a significant portion of its range. “Threatened” means a species is likely to become endangered within the foreseeable future.
I have to say airborne infections. If the infection is airborne it can travel and infect many people more quickly and wide spread.