Does exposure to UVB light influence the growth rates and behaviour of hatchling Corn Snakes, Pantherophis guttatus?
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Impact of reduced calcium during development in snakes
Impact of reduced calcium during development in snakes" (2016). Abstract In squamate reptiles, the evolutionary transition from oviparity to viviparity is accompanied by loss of the calcareous outer eggshell, which suggests significant implications for the role of calcium during embryonic development (Packard et al., 1977). An experiment was designed to evaluate the impact of reduced calcium av...
متن کاملSources and timing of calcium mobilization during embryonic development of the corn snake, Pantherophis guttatus.
Embryos of oviparous Reptilia (=turtles, lepidosaurs, crocodilians and birds) extract calcium for growth and development from reserves in the yolk and eggshell. Yolk provides most of the calcium to embryos of lizards and snakes. In contrast, the eggshell supplies most of the calcium for embryonic development of turtles, crocodilians and birds. The yolk sac and chorioallantoic membrane of birds ...
متن کاملWhy arboreal snakes should not be cylindrical: body shape, incline and surface roughness have interactive effects on locomotion.
Depending on animal size, shape, body plan and behaviour, variation in surface structure can affect the speed and ease of locomotion. The slope of branches and the roughness of bark both vary considerably, but their combined effects on the locomotion of arboreal animals are poorly understood. We used artificial branches with five inclines and five peg heights (≤40 mm) to test for interactive ef...
متن کاملThe genome sequence of the corn snake (Pantherophis guttatus), a valuable resource for EvoDevo studies in squamates.
Squamates (snakes and lizards) exhibit a striking variety of phenotypes, with little known on their generative mechanisms. Studies aiming to understand the genetic basis of this wide diversity in morphology, physiology and ecology will greatly benefit from whole genome sequencing initiatives, as they provide the foundation for comparative analyses and improve our understanding of the evolution,...
متن کاملSnake co-occurrence patterns are best explained by habitat and hypothesized effects of interspecific interactions.
Snakes often occur in species-rich assemblages, and sympatry is thought to be facilitated primarily by low diet overlap, not interspecific interactions. We selected, a priori, three species pairs consisting of species that are morphologically and taxonomically similar and may therefore be likely to engage in interspecific, consumptive competition. We then examined a large-scale database of snak...
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