Answer the following question given this paragraph: 

The human species has been incredibly successful. In a relatively short period of time, it has colonized almost all of Earth’s terrestrial habitats. Unfortunately, human beings have also impacted Earth, its climate, and its environment. Human actions threaten Earth’s valuable biodiversity.


Q: What incredibly successful species has quickly colonized almost all of earth’s terrestrial habitats, but also impacted earth, its climate, and its environment?

 Choices:

- chimpanzees

- birds

- fish

- humans

A:
humans
