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Lesson summary for:
Especiación en tiempo real


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Generalmente, pensamos en la especiación como un proceso lento. Toda la evidencia disponible sostiene la idea de que diferentes especies evolucionaron desde ancestros comunes, y sin embargo, nuevas especies no aparecen a nuestro alrededor diariamente. Para muchos biólogos, esto implica que la especiación ocurre tan lentamente que es difícil observarla en escalas de tiempo humanas. Sin embargo, nuevas investigaciones sugieren que la especiación podria ser más fácil de observar de lo que pensamos.

UC Museum of Paleontology

Grade level:

30 minutes

Teaching tips:
This article includes a set of discussion and extension questions for use in class, as well as a video podcast. It also includes hints about related lessons that might be used in conjunction with this one. Get more tips for using Evo in the News articles in your classroom.

Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Speciation is the splitting of one ancestral lineage into two or more descendent lineages.

  • Speciation requires reproductive isolation.

  • Occupying new environments can provide new selection pressures and new opportunities, leading to speciation. (LS4.C)

Teacher background:

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