Evolution Alfonso

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Evolutionary Biology

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Evolution Alfonso


Lamarck's TheoryThis was the first theory, Lamarck said that mutations occurs due to he use or disuse of organs, this organ developed, and this new changes were transmited to the descendance, and by this, with time a new specie was created.

Darwin´s TheoryDarwin realised that species suffered some mutations, harmful, or beneficial in some cases which make them to survive, this is called natural selection, then the survival tranmit this mutation to the descendance, and by this way in lot of years, species suffer evolution.

DefinitionEvolution is a change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species.

TheoriesThere were two theories about evlution:1) Lamarck's theory2) Darwin's theory





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