You are presented with the question "What can cause change in genetic characteristics" and the following answer choices: 
- Plants growth
 - Leptospirosis
 - Pesticides
 - environment
 - global warming
 - competition
 - parasites
 - cigarettes

Now knowing that evolution occurs in response to a change in the environment and biological evolution is a change in the genetic characteristics of a population over time, choose the best answer.


 

    environment     