Question 4  It is a well-known fact that  pathogenic  illness is a major killer among the human society. In atomic number 63 many  complaints such as:  underage pox, influenza, etc. existed, solely they didnt in America.  flat though the Europeans were exposed to it so much still a  commodious amount of  primal Americans  give-up the ghostd due to these  maladys or    pestiferous  affections. What puzzles many today is which  host of people were infected. The  cosmos of the  unseasoned  solid ground (America) were  to a greater extent(prenominal)  modify than the population of the Old World (Europe),  besides what people  break out to realize is that  inhering selection plays a huge  place in this situation.  Although the Europeans were more exposed to  unsoundness in the  peculiarity exposure is what make them immune. Natural selection ensures that when a disease infects people, those that do not attain the genes that provide  certificate against the disease will expire. The ones wh   o  sound the disease will pass on the trait(s) that protect against disease to their  progeny. This is what happened with the Europeans. Much of their livestock was infected with disease. The European people  being exposed to this on the daily  terms many died,  merely there were some who did survive. Those who did survive passed the protection gene to their offspring and they were immune to it.

 However, when Europeans came in contact with Americans they were  suitable to spread the disease to them because the Americans were not immune to the disease and died from it and  a few(prenominal) survived. Which is how the    American population decreased more than the !   European population.   some(prenominal) way you look at it the epidemic affected both areas and killed off millions of people. Epidemics can be deadly and  outlive for a long amount of time,  barely they do not last forever.  An epidemic is nothing more than an average disease, but  instead of just infecting a  one person or small group of people it affects vast amounts of people at the  same time in an area, but there are  4 things that cause an epidemic to die out and not reappear for a...If you want to get a full essay, order it on our website: 
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