Browsing Escuela de Ciencias Biológicas by Title
Now showing items 1183-1184 of 1184
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Why do velvet worm spermatozoa swim for years?
(Universidad de Costa Rica (Costa Rica), 2019)The sperm of many onychophorans must cross body walls and swim for years before fertilizing an egg. We propose that the cause for such obstacles is the high cost of reproduction in these animals, which leads females to ... -
Zonificación de las áreas propensas a incidentes por ataques de Crocodylus acutus en el Pacífico Central de Costa Rica utilizando un Sistema de Información Geográfico
(Instituto Panamericano de Geografía e Historia (IPGH) (México), 2019-06-27)In recent years, the incidence of attacks by crocodiles in Costa Rica has increased, which is associated with the development of human activities in areas considered as optimal in what I determine as the species’ potential ...