Is any member of a large class of gaseous, liquid, or solid chemical compounds<span>whose molecules contain carbon</span>
The Prefrontal Cortexis t<span>he area of the brain where higher-level thinking and self-regulation occur; the peak of overproduction takes place at about 1 year of age.</span>
You need to be way more specific
Diversity is produced by mutation, it is what causes life to have advantages or disadvantages, and thus allow survival of the fittest to choose which mutation is the best suited for it's environment.