Answers

  • Brainly User
2014-11-18T17:51:44+05:30
Every organism in this world has its work to be done. If not so, the nature expels that species and replaces it with the other. It is observed that dinosaurs were not capable of doing their activities and were destroying the living organisms. This led to a huge world wide disaster which made the dinosaurs extinct. This is done by the nature. It is known as "the natural selection". If any organism proves to be afraid and not so strong enough to make itself survive, nature expels that particular species. This can be understood by the proverb, "survival of the fittest". The same thing happened with the dinosaurs and that is why they were replaced with the human beings and if we too proved to be cowards, then we could be the next...
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