Results 41 to 50 of about 30,470 (140)

Semblanzas Ictiológicas: Matías Pandolfi [PDF]

open access: yes, 2013
través de esta serie intentaremos conocer diferentes facetas personales de los integrantes de nuestra “comunidad”. El cuestionario, además de su principal objetivo, con sus respuestas quizás nos ayude a encontrar entre nosotros puntos en común que vayan
López, Hugo Luis, Ponte Gómez, Justina
core   +2 more sources

Phase Transition in Sexual Reproduction and Biological Evolution

open access: yes, 2008
Using Monte Carlo model of biological evolution we have discovered that populations can switch between two different strategies of their genomes' evolution; Darwinian purifying selection and complementing the haplotypes. The first one is exploited in the
Ayala F. J.   +9 more
core   +1 more source

Rapid adaptive evolution of colour vision in the threespine stickleback radiation. [PDF]

open access: yes, 2016
Vision is a sensory modality of fundamental importance for many animals, aiding in foraging, detection of predators and mate choice. Adaptation to local ambient light conditions is thought to be commonplace, and a match between spectral sensitivity and ...
Heckman, Nancy   +4 more
core  

Actin-dependent cell elongation in teleost retinal rods: requirement for actin filament assembly. [PDF]

open access: yes, 1981
Teleost retinal rods elongate when exposed to light. Elongation is mediated by a narrow necklike region called the myoid. In the cichlid Sarotherodon mossambicus, the rod inner segment (composed of the myoid with adjacent ellipsoid) increases in length ...
BURNSIDE, Beth, OConnor, P
core   +1 more source

Changes in feeding biology of Nile tilapia, Oreochromis niloticus (L.), after invasion of water hyacinth, Eichhornia crassipes (Mart.) Solms, in Lake Victoria, Kenya [PDF]

open access: yes, 1999
Oreochrimis niloticus (L.) was introduced to Lake victoria in the 1950s. It remained relatively uncommon in catches until 1965, when the numbers began to increase dramatically.
Njiru, M.
core  

Habituation of Predator Inspection and Boldness in the Guppy (Poecilia reticulata) [PDF]

open access: yes, 2003
This study examined habituation of the predator inspection behavior in the guppy (Poecilia reticulata) and its relationship with boldness (open field locomotion).
Budaev, Dr. Sergey
core  

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