a function of a cell membrane is to protect the cell from it's surroundings. it's important because it allows the cell to move around and survive in various environments.
<em>hope this helps! ❤ - answered by peachimin 10/28/2018 @ 1:43PM</em>
Some adapt by limiting there outdoor activities to warmer parts of the day, they wear thicker clothing , stay in there houses and use fires to stay warm