词汇 | photic |
释义 | BETA Examples of photicphotic isn’t in the Cambridge Dictionary yet. You can help! Compaction of the sediment would also result in a reduction of the photic zone. This suggests that regenerative responses may constitute a normal part of the response to photic stimulation in on-type bipolar neurons. Changes in spectral sensitivity, which probably relate to changes in the photic environment, may also be achieved by switching the chromophore of the visual pigment. The presumed dominance of cyanobacteria in the photic zone of microbial mats, based on microscopic and culture-based studies, has never been verified with culture-independent techniques. In relating facts concerning spectral sensitivities and photic environment to expected behaviors, he had an almost piscine intuition. These deepdwelling animals have adapted to their dim, monochromatic photic environment by matching the absorbances of their remaining visual pigments to the ambient wavelengths. This inverse thermohaline circulation allows dispersion of shallow and cool water species in open oceanic environments in the photic zone above the thermocline level. These changes are thought to allow the fish to adapt to different photic environments throughout its life history. Eukaryotic algae from diverse taxa are common residents of biofilms from photic regions of diverse freshwater habitats. It was concluded that benefits were due to photic effect rather than nonphotic effect, such as intensification of social interaction in light therapy. A further aim was to examine whether photic history modulates retinal damage, as in rodents. Sparing of photic frequency and brightness discriminations after striatectomy in neonatal cats. Assessment of extent and persistence of photic-zone anoxia using aryl isoprenoid distribution. The functional relevance of topographic variation in opsin expression is presumably to maximize photon capture and resolution within a particular photic habitat. Consequently, the anaerobic chemolithotrophs and chemoheterotrophs that never encounter the photic zone may eventually be responsible for a much larger portion of the terrestrial biosphere than the photoautotrophs. Use of rhythmically varying patterns for photic stimulation. Albino and normally pigmented trout were moved from defined photic regimes into full daylight, while some were not moved to serve as protected controls. |
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