change many things in human nature. Population ratio increased recently, the new generation is setting all strategies that can be used to reduce overpopulation and this cannot only lead to low demographic ratio, it can even lead to human extinction even if it can take years but it can happen. We stop birth rate but we will never stop death rate. Disasters are increasing and different people are meeting problems of reproductive health. Diseases are becoming a problem of public health, with industrial world; non communicable diseases are becoming burdens in this era. All this problems are facing human, they can lead to human extinction. Nothing can stop the results of evolution, the way that things come; it is the same they go. Evolution itself is a proof that can explain all evidences of human extinction.
7.5 Summary Death and extinction of livings are not new words to people. They happen are will continue happening. Death is a fact of life and extinction is a fact of evolution. Extinction is the death of last member of certain species. Death is observed daily but extinction can take millions of years. There are many factors that lead to extinction, reproduction is a key that help a species to exists for many years, if a living loses its capacity of reproducing
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