Fact 1: Animals adapt to cold temperatures.

Fact 2: Temperatures are moderate in summer and COLD in winter.

Given the two facts above, answer the question "What do animals do in the winter?" with the following options: 
- Release energy
 - running and lifting
 - it keeps an organism warm
 - adapt to warm weather
 - adapt to extreme heat
 - adapt to coolness
 - shed fur
 - by making heat


 

      adapt to coolness   