As the human population increases, what else has been increasing drastically?

Answer:
The number of species which are going extinct.
Explanation:
We humans use the animals living spaces by cutting down forests or putting city's where animals live, we also hunt them down either because parts are worth a lot or we use them as food.
Answer: The number of species that is going to extinct
Explanation:
As the number of population is increasing drastically. Human beings need more space to live, more food to eat and more resources to make their life more comfortable.
In this case the number of species will decrease drastically and this problem will be increasing day by day because as humans are moving towards the forest and other resources, they are destroying the natural habitat of species which is increasing the number of species that is going to extinct.