Khan Academy on a Stick : Árbol de la vida

Khan Academy on a Stick

Biología

Taxonomía y árbol de la vida (EN)
cc

La ciencia de la taxonomía y donde los seres humanos encajan en el árbol de la vida
Especies (ES)
cc

Una especie de lo que es y no es. Ligres, tigoness, mula, burdégano y perros
Bacterias (ES)
cc

Introducción a las bacterias
Prehistoria Humana 101: Prólogo (EN)
cc

Award winning video introduces human prehistory starting over 200,000 years ago. Who were our first human ancestors? Where did they live?
Prehistoria humana 101 parte 1: Fuera de África (oriental) (EN)
cc

Second in a series of videos that introduces human prehistory, this video describes how our human ancestors spread throughout Africa and then into other regions such as Australia and Europe. How did they reach Australia so early on? What happened when our ancestors encountered Neanderthals?
Prehistoria humana 101 parte 2: Capeando el temporal (EN)
cc

Third in a series of videos that introduces human prehistory, this video describes how early humans continued to defy the odds and populated the Americas during the last ice age.
Parte de la prehistoria humana 101 Parte 3: La Agricultura mueve nuestro mundo (EN)
cc
Prehistoria Humana 101: Epílogo (EN)
cc