Imagine a bunch of invader try to raid your home ，would you like that？Invasive species are nonnative species that were often brought by people or they invade themselves.
Invasive species are usually brought by people because of size,how it looks. But these species will broke the ecosystem ，such as lionfish ， native to indo ocean now spread in the whole world. They eat small fish and may brought some species to an end.
Another example is the Burmese Python, it is a type of python that is native to southeast Asia , but invade Florida in these years.
Its known that it can eat crocodile and swallow it whole. And was first reported in 2000 .
Information from：
National invasive species information center USDA
Author ：unknown
National geographic society
Author ：unknown
The Ecology book DK
Author ：Julia Schroeder Derek Harvey Celia Coyne Tom Jackson
John Farndon Alison Singer Tim Harris
