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espanolSe analizo el tema de evolucion en una serie de libros de texto desde 1945 hasta 2016 con el fin de evaluar la presencia de ideas espontaneas y los cambios producidos en como se presenta la informacion. Discutimos si existe una tendencia relacionada con el modelo educativo. Los principales resultados son: Se ha producido un aumento en el contenido en historia del pensamiento evolutivo, numero de actividades y numero de figuras que podria estar relacionado con cambios en la metodologia. Pese a ello, la presencia de ideas espontaneas se mantiene y son pocos los intentos detectados por que se produzca una confrontacion con ellas. Por ello no parece que haya posibilidad de que se produzca un cambio conceptual significativo, ya que no se cumple la condicion necesaria de "insatisfaccion con la conceptualizacion existente”. EnglishWe analyzed the topic of evolution in a set of biology textbooks from 1945 to 2016. The objectives of this study were to evaluate changes in the presence of misconceptions, as well as to analyze how contents about evolutions are presented. Additionally, we analyze tendencies on these aspects related to Spanish educational legislation. Results showed an increase in the treatment of history on the evolutionary thought, number of activities and number of figures, which might be related to changes in the teaching methodology. However, misconceptions remain in textbooks and there are few attempts to produce confrontation with them. Thus, it seems that the possibility of generating a significant conceptual change is low, since the necessary condition of “dissatisfaction with the current conceptualization” is not met.

La evolución en una serie temporal de libros de texto (1945-2016): Cambios en la metodología y en la presencia de concepciones alternativas