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Selection is expected to favour the evolution of efficacy in visual communication. This extends to deceptive systems, and… Expand BackgroundTheory predicts that colour polymorphism may be favored by variation in the visual context under which signals are… Expand A strictly anaerobic bacterial strain, WK011(T), was isolated from a methanogenic reactor treating waste from cattle farms. The… Expand The goals of this study were to describe the diet and estimate the trophic level and food selection of Jenyns's sprat Ramnogaster… Expand Summary1.Jumping spiders react to a single moving object in the visual field of the posterolateral eyes with an accurate turn of… Expand Eight species of the genus Sabatieria, one of which is new to science, are described from the Strait of Magellan and the Beagle… Expand SUMMARY The feet of the jumping spider Evarcha arcuata attach to rough substrates using tarsal claws. On smooth surfaces, however… Expand Abstract Hypogymnia arcuata and H. sachalinensis are described as new species of lichenized fungi from east Asia (Russia, China… Expand