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Las dietas de los primeros homínidos
Peter S Ungar1, Matt Sponheimer
1Department of Anthropology, University of Arkansas, Fayetteville, AR 72701, USA. pungar@uark.edu
Science (New York, N.Y.)
|October 15, 2011
Resumen
La evolución de la dieta humana temprana revela complejidad, desafiando las visiones tradicionales. La nueva evidencia muestra hábitos alimenticios diversos, no una simple progresión, sin tendencias claras a lo largo del tiempo.
Área de la Ciencia:
- La paleoantropología es la paleoantropología.
- Evolución del ser humano Evolución del ser humano
- Arqueología Dietética Arqueología Dietética
Sus antecedentes:
- Los cambios en la dieta son cruciales en la evolución humana.
- Los estudios tradicionales se centraron en la morfología, las herramientas y la carnicería.
- Análisis recientes sugieren una mayor complejidad dietética en los primeros homínidos.
Objetivo del estudio:
- Para reevaluar las dietas de los primeros homínidos.
- Para investigar el momento y la naturaleza de los cambios en la dieta.
- Desafiar las nociones establecidas de la evolución de la dieta.
Principales métodos:
- Análisis del micro desgaste dental.
- Análisis de isótopos estables.
- Revisión de la evidencia morfológica y arqueológica.
Principales resultados:
- La evidencia para el consumo de plantas y objetos duros C4 aparece más tarde de lo esperado.
- Se desafían las ideas tradicionales de aumentar la alimentación con objetos duros.
- No se observaron tendencias dietéticas consistentes en las primeras especies de homínidos a lo largo del tiempo.
Conclusiones:
- Las dietas de los primeros homínidos eran más diversas y complejas de lo que se pensaba.
- La evolución de la dieta no siguió un camino simple y lineal.
- Las dicotomías establecidas, como entre Australopithecus y Paranthropus, pueden ser demasiado simplificadas.
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