Fact 1: Animals adapt to cold temperatures.

Fact 2: Extremes in temperature can kill animals.

Given the two facts above, answer the question "Why do animals adapt?" with the following options: 
- survive
 - To live shorter lives
 - dry conditions
 - To stay weak
 - To make money
 - the environment
 - allow growth
 - To avoid death


 

        To avoid death 