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Tentempié

2011/02/17 Kortabitarte Egiguren, Irati - Elhuyar Zientzia

Zoologia

</p> <p>¿Un tentempié? ¡No lo <em>hagas</em> tan rápido como las plantas del género Utricularia! Investigadores de la Universidad Joseph Fourier y del CNRS de Grenoble han explicado el mecanismo de caza de estas plantas carnívoras. Descubren que la presa es tragada en menos de un milisegundo.</p>Como se puede observar en el vídeo, estas plantas acuáticas activan un mecanismo de caza nada más detectar la presa. Es decir, sus paredes se expanden formando una especie de trampa pequeña que absorbe a la presa y, una vez detectada ésta, la planta vuelve a cerrar la entrada de la trampa. ¡Bapo!<p><strong>Vídeo:</strong> Philippe Marmottanto; CNRS/Université Grenoble</p> </div> </div> <div class="col-md-2">  <div class="modal fade" id="exampleModalCenteres" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true"> <div class="modal-dialog modal-dialog-centered" role="document"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title">Elia Elhuyar</h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> Aparecerá un contenido traducido automáticamente. ¿Deseas continuar? </div> <div class="modal-footer"> <a role="button" href="/artikuluak/mokadu-azkarra/es/" class="btn">Si</a> <button type="button" class="btn-outline-secondary" data-dismiss="modal">No</button> </div> </div> </div> </div>  <div class="modal fade" id="exampleModalCenterfr" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true"> <div class="modal-dialog modal-dialog-centered" role="document"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title">Elia Elhuyar</h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> Un contenu traduit automatiquement apparaîtra. 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