A key concept in the modern theory of evolution explains that modern humans are the result of a long-going and ongoing process of reproductive variation and differential reproductive success, <span>punctuated by divergence between subpopulations and subsequent speciation. Hope this answers your question. Have a great day ahead!</span>
Normally, the body makes up to 2 to 4 pints of saliva a day. Usually, the body makes the most saliva in the late afternoon. It makes the least amount at night.
