evolutuion

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  • hmmm...
  • Jean Baptiste de Lamarck was one of the first scientists who realized that over time living things change and adjust to their environments.
  • Lamarck's explanation of evolution was that... 
  • Take birds for example, over a long time of trying to fly they grew wings. Now they can get the resources they need!
  • Organisms can produce new parts in order to get what they need and adapt better to their habitat.
  • He also explained...
  • By stretching their neck to reach the leaves, giraffes now have very long necks.
  • My studies show that by using their bodies in new ways, organisms can change their shape.
  • The last two laws of his explanation were the law of use and disuse, and the law of acquired characteristics.
  • Snakes, for example, have vestigial legs that are disappearing since they dont use them!
  • I have discovered that if an organism does not use a body part it eventually disappears! I call this the law of use and disuse.
  • These people have become very fit from years of exercising. Therefore, their children will also be extremely in shape.
  • Characteristics that organisms gain over the span of their life pass those traits onto their offspring. This is the law of acquired characteristics.
  • But...
  • Lamarck was WRONG!!!
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