Bar, A. y Valenzuela, S. 2006. La Evolución como Modelo de Explicación en los Textos Escolares. Cinta moebio 26: 155-165

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The Evolution as an Explanation Model in School Texts

Aníbal R. Bar (anibalroque@yahoo.com.ar). Profesor Adjunto de la Facultad de Humanidades y Profesor Titular de la Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste (Argentina).
Sergio D. Valenzuela. Profesorado en Ciencias de la Educación. Cátedra Biología del Aprendizaje. Facultad de Humanidades, Universidad Nacional del Nordeste (Argentina)

Abstract

The present work intends to investigate about explanation models related to the evolution concept in school texts in Argentina, using categories proposed by Bar (2005). The reconstructed model shows characteristics of adaptation systems, models that give account of biological phenomena with endogenous and exogenous variables; where the becoming of the system is neither given by the biological program, nor by the environmental fluctuations in absolute form, but by the interaction between both of them. This way to objectify life and their manifestations contribute to a more total and more integral vision, perspective that moves it away from the reductionism mechanics and vitalism.

Key words: evolution, model, explanation, texts, school.