Abstract
Pollination by animals is a key process involved in flowering plants reproduction. In the educational context, this topic is rarely addressed from the plant-pollinator interaction point of view, and its importance is poorly recognized by the students. Here we present a didactic proposal developed to address the sexual reproduction in plants, based on the plant-pollinator mutualistic association. The sequence of activities developed includes the display of a video, observation and handling of flowers and fruits, as well as play activities where the pollination process and the correspondence between certain flower traits and pollinators are represented. The set of questions applied suggests a change or improvement in students knowledge about the contents after the activities.
Highlights
Pollination by animals is a key process involved in flowering plants reproduction
This topic is rarely addressed from the plant-pollinator interaction point of view, and its importance is poorly recognized by the students
We present a didactic proposal developed to address the sexual reproduction in plants, based on the plant-pollinator mutualistic association
Summary
1. Indagar sobre las ideas previas de los estudiantes acerca de la reproducción sexual en plantas, con énfasis en la relación flor-fruto y en el proceso de polinización. 2. Promover el reconocimiento de características comunes a todos los frutos, con especial atención a la presencia de semillas. 3. Promover el reconocimiento de las flores como órganos reproductivos de los cuales derivan los frutos, señalando las estructuras que las componen. 4. Desarrollar los conceptos de transferencia polínica y fecundación asociados a la formación de frutos y semillas y destacar el rol de los polinizadores en este proceso, señalando el carácter mutualista de la interacción planta-polinizador. 5. Abordar y aplicar el concepto de síndrome floral a partir del reconocimiento de la diversidad de flores y polinizadores existentes
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