Answer:
The answer is C. Sympatric Speciation via polyploidy
Explanation:
Among all various forms of speciation that exist, the most rapid is sympatric speciation which occurs when a population becomes separated in terms of reproductivity. The process of offsprings developing with more than the common number of chromosomes is referred to as sympatric speciation via polyploidy and it is this process that makes this speciation rapid.
We can not say that this areas are not civilized or to call them backwards. We may call them different. We can take for example the uses of animals in order to expand the commerce of their area. If we research about the use of camels, for example, we could see that it gained an special place within those who wanted to travel through many difficult areas like deserts. So in the case of camels they were not backwards, they used a different method to obtain success