I believe the answer is carbon dioxide. Please let me know if i can help with anything else
Hope this helps
A benefit of crossing over is that it maintains genetic diversity within a population, allowing for millions of different genetic combinations to be passed from parents to offspring. Genetic variability is very important to the long-term survival of a species
Marijuana, LSD and club drugs are grouped together because THEY TEND TO BE TAKEN BY MIDDLE CLASS PEOPLE FOR RECREATIONAL USE.
The three drugs given above are put in the same group because they are used for similar purposes by similar group of people. They are psychoactive drugs which cause euphoria and make the users feel good. People who use this drugs are usually those in the middle class.<span />
It uses organs from other systems and from all part of the body.
<span>They stay in stage of stasis because they are adapted to sourrounding and environement and they can easily develop without any changes. </span>