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Sumario Teorias de la evolucion . Biologia

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  • Course
  • 11022021 (8871)
  • Institution
  • National University Of The Littoral (UNL )

Resumen teórico de las nociones básicas sobre el tema abordado, buscando siempre la simpleza para la lectura de los estudiantes y la preparación de un examen en donde se aborde este tema

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Document information

  • July 25, 2023
  • 39
  • 2022/2023
  • Summary

Subjects

  • evolucion
  • darwin
  • teorias de la evolucion
  • quienes somis
  • de donde venimos

Written for

  • National University of the Littoral (UNL )
  • 11022021 (8871)
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TEMA 11
EVOLUCIÓN BIOLÓGICA

, Toda la vida evolucionó a partir de un ancestro común
En el transcurso de la evolución biológica, las poblaciones se diferencian unas de otras, dejaron
de reproducirse intercruzándose, y se convirtieron en especies nuevas.

,La EVOLUCIÓN debe ser entendida como una propiedad
inherente a los seres vivos, donde se acumulan cambios
genéticos y del fenotipo a través de las generaciones y a
partir de una antepasado en común.




Su aceptación no se discute, pero sí se hallan todavía bajo intensa
investigación el/los mecanismos que explican la transformación y
diversificación de las especies.

, La EVOLUCIÓN BIOLÓGICA analiza el conjunto de transformaciones o
cambios en el tiempo, que han conducido a la diversidad de formas de vida
que existen sobre la Tierra a partir de un antepasado común.

▪ Cuestión Central:
¿Es la MICROEVOLUCIÓN (variaciones alélicas que conducen a cambios graduales
dentro de las especies), capaz de dar cuenta de la MACROEVOLUCIÓN (cambios
que ocurren por encima del nivel de especie, que conducen a la aparición de nuevos
grupos o extinción de otros)?




microevolución




macroevolución

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