An Extinction is when tens of thousands are in danger of dying out completely. A Mass Extinction is when multiple different kind of species die out completely. Human activities do the most damage to animal habitats. Human activities include Illegal hunting, pollution from factories, and moving in of an invasive species which could mess up the whole ecosystem. Another example of human activities was back in the early 1800s, there were about 2 billion Passenger Pigeons in the United States, not long after they were killed for sport and food, the last of it’s kind died in a zoo in 1914.
Rainforest is home to 50 to 90 percent of different animal species living on Earth, yet each day several thousand acres of land is