What are some examples of the survival of the fittest?

Our bodies have a wide range of features to help us live longer. Here are some amazing examples of the survival of the fittest.

If you want to be the healthiest you can be, you have to think like your genes. Your DNA is designed to help you survive. However, with new generations growing at an astonishing rate, and with less physical exertion each day, we are no longer living in a survival of the fittest scenario. The human genome is under an enormous biological challenge that it has never faced before.

You can survive anything if you're prepared. And this article will show you how. It's filled with survival stories and the equipment, skills, and mindset you need to stay one step ahead of disaster.

Charles Darwin's theory of survival of the fittest. 

Have you ever wondered how Charles Darwin's theory of survival of the fittest applies to football? If so, you're in for a treat because this book is about that. Get ready for some exciting games, secret training and more with this book that is all about the game of football through the eyes of players and spectators. This engaging book brings alive the passion and thrill of men hungry to win by using those shrewd methods Darwin would have applauded-the ones he put forth in his theory of natural selection.

Darwin's theory of natural selection, or "survival of the fittest," is often applied to business success. Well, if you're not as fit as a frog, Spider Monkey, or Bactrian Camel, you might as well give up now.

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Example 

In a habitat, there are beetles and green beetles.Birds prefer the taste of  red bugs, so soon there will be many green bugs and few red bugs. The green bugs multiply and make more green bugs and finally there are no more red bugs. Nebraska sandhills  changed from dark brown to light brown to better hide from predators in the sand.