Flea drops, such as Advantix and Frontline, are the most common form of flea prevention for your pet. The drops are applied to the nape of the neck (just above the shoulders) and last for 30 days. Monthly reapplication is required but is generally quick and easy.
Question: What are the negative effects of overpopulation? Answer: There exists numerous negative effects of overpopulation on our lives and the lives of other organisms, I will list down which i feel are the most prominent ones. Space; People need living space and the most people that there are, the less space there exists for people.
Ancient Roman Overpopulation. Edit 0 2 â¦. Overpopulation in Ancient Rome Overpopulation in ancient Rome was a big problem. There were about 50-100 million people in the Roman Empire and over 1 million of those people were living in the city of Rome. Overpopulation in Rome was caused by expansion.