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adesh saxena

Consultant ENT Surgeon, Indian Medical Association

TEDCRED 30+

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As we are programmed to die after a certain period. I believe species are also programmed to die after a certain period.

I believe every species has a definite life span on our planet earth and we may call it " species span", after that it becomes extinct whatever you may do. Ever entertained such idea ? Ever analysed what happened to neanderthal man, homo erectus etc why they became extinct or Why growth rate of caucassian is nearing zero or in the negative? Is the life span of species is also programmed? Even our earth also has a limited life span, its not going to be there for ever.

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  • Mar 14 2013: Can you name a single species that is now extinct simply because "their time was up"? Extinction is usually the result of external forces acting on a species, whether it is being hunted out of existence, habitat destruction, drastic climate change, etc.

    The fact that Earth, and the entire solar system, for that matter, will end at some point has no relevance to the topic of species extinction.

    Human growth rate cannot be analyzed on a global level. It is greater where food supplies are plentiful.
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      Mar 15 2013: There was no competition and there was no fitness problem for Dinosuars to become extinct. The only possible hypothesis is that, that a giant meteor struck earth and all died as a consequence. but its only a hypothesis. Try thinking differently, no harm is done.

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