Mokadu azkarra

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

Zoologia

</p> <p>Mokadu bat? Ezetz <em>Utricularia</em> generoko landareek bezain azkar egin! Landare karniboro horien ehiza-mekanismoa azaldu dute Grenobleko Joseph Fourier Unibertsitateko eta CNRSeko ikertzaileek. Harrapakina milisegundo bat baino gutxiagoan irensten dutela ikusi dute.</p>Bideoan ikus daitekeenez, uretako landare horiek harrapakina detektatu bezain pronto, ehiza-mekanismo bat aktibatzen dute. Alegia, haren paretak hedatu egiten dira, eta tranpa txiki moduko bat eratzen da; tranpa horrek harrapakina xurgatzen du, eta hura detektatu bezain pronto, landareak berriro ere tranparen sarrera ixten du. 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