Listar Biología por autor "e0a00694-ced7-4f73-85fc-cb7e5e4f9616"
Mostrando ítems 1-3 de 3
-
Cannibalism by large tadpoles of Rhinophrynus dorsalis (Anura: Rhinophrynidae)
Stynoski, Jennifer Lynn; Sasa Marín, Mahmood (2018)In June 2014, we captured approximately 100 R. dorsalis tadpoles in a net from a seasonal wetland in Palo Verde National Park (10.3428 N, 85.3375 W) in N, 85.3375 W) in northwestern Costa Rica. While rearing the tadpoles ... -
Detection of a synthetic sex steroid in the American crocodile (Crocodylus acutus): Evidence for a novel environmental androgen
Murray, Christopher M.; Merchant, Mark; Easter, Michael; Padilla, Sergio; Garrigós, Davinia B.; Sasa Marín, Mahmood; Guyer, Craig (2017-08)Endocrine-disrupting contaminants (EDC's) are well known to alter sexual differentiation among vertebrates via estrogenic effects during development, particularly in organisms characterized by temperature-dependent sex ... -
Evidence of maternal provisioning of alkaloid-based chemical defenses in the strawberry poison frog Oophaga pumilio
Stynoski, Jennifer Lynn; Torres Mendoza, Yaritbel; Sasa Marín, Mahmood; Saporito, Ralph A. (2014)Many organisms use chemical defenses to reduce predation risk. Aposematic dendrobatid frogs sequester alkaloid-based chemical defenses from a diet of arthropods, but research on these defenses has been limited to adults. ...