Fact 1: Evolution is a change in the characteristics of living things over time.

Fact 2: On the other hand, the environment causes all living things to adapt.

Given the two facts above, answer the question " _can cause evolution" with the following options: 
- weather
 - environment
 - our star
 - competition
 - global warming
 - behavior
 - sound
 - rapid expansion


 

  environment       