Land Ho! Polarized light serves as a visual signal for landward orientation in displaced spiders [0.03%]
陆地在那里！偏振光作为蜘蛛定向的视觉信号
Sidney J Goedeker,Nettie A Eigel,Madeline R Mann et al.
Sidney J Goedeker et al.
An organism's ability to identify goals within their environment, orient towards those goals, and successfully navigate to them are critical to all aspects of survival. Long-jawed orb weavers (Tetragnatha elongata) occupy riparian zones and...
Integrative taxonomy reveals the conspecific status of Xerotricha madritensis (Rambur, 1868) and Helicella candoni Thach, 2018 (Gastropoda, Geomitridae) [0.03%]
整合分类学揭示了Xerotricha madritensis (Rambur，1868)和Helicella candoni Thach，2018(Gastropoda, Geomitridae)为同种物种
Jonathan P Miller
Jonathan P Miller
The Mediterranean region is a biodiversity hotspot. Mollusks represent the second most diverse phylum, with high species richness, endemism, and significant numbers of threatened species. The non-marine species are an especially vulnerable ...
Is the relationship between body length and body mass consistent across habitats? A case study on Niphargus (Crustacea: Amphipoda) [0.03%]
体型和体重之间的关系会否因生境不同而改变？基于等足目锁吻虾亚目的一个案例研究
Ester Premate,Tinkara Kepic,Cene Fišer
Ester Premate
Body size is one of the main characteristics of any organism and influences various aspects of individual's biology. In animal ecology, it represents a key functional trait that can be quantified using different measures and is often used a...
Natalia M Biserova,Ivan A Kutyrev,Vadim R Saitov et al.
Natalia M Biserova et al.
The phenomenon of exocrine secretion via nervous cells into the host tissue has been discovered in cestodes. In five cestode species of different orders specialized "cup-shaped" free nerve endings located in the tegument have been found. Th...
Phylogeography of the true freshwater crab, Geothelphusa dehaani: Detected dual dispersal routes via land and sea [0.03%]
Geothelphusa dehaani 地理分化揭示其陆路和海路双重扩散路径
Masaki Takenaka,Koki Yano,Koji Tojo
Masaki Takenaka
Dispersal is an important factor that determines the potential for colonization to pioneer sites. Although most decapods employ seaward migration for reproduction with a planktonic larval phase, true freshwater crabs spend their entire life...
Cranial asymmetry in odontocetes: a facilitator of sonic exploration? [0.03%]
头颅不对称性与齿鲸的声波探测能力之间的关系？
Maíra Laeta,João A Oliveira,Salvatore Siciliano et al.
Maíra Laeta et al.
Directional cranial asymmetry is an intriguing condition that has evolved in all odontocetes which has mostly been associated with sound production for echolocation. In this study, we investigated how cranial asymmetry varies across odontoc...
Ovary organization and ultrastructure in six species of Amynthas and Metaphire earthworms (Annelida, Crassiclitellata, Megascolecidae) [0.03%]
六种沟槽蠕虫属和大地脈蚓屬蚯蚓的卵巢组织与亚显微结构(有爪纲，粗柄纲，大管蚓科)
Piotr Świątek,Rojen Singh Thounaojam,Th Binoy Singh et al.
Piotr Świątek et al.
Ovaries in earthworms belonging to the family Megascolecidae are paired structures attached to the septum in the anterior part of the XIII segment. They are fan to rosette shaped with numerous rows of growing oocytes, known as egg strings, ...
Swimming behavior and energy metabolism of the calanoid copepod invader Sinodiaptomus sarsi [0.03%]
萨氏极边FREE水蚤游泳行为与能量代谢研究
Leonid Svetlichny,Ulrike Obertegger
Leonid Svetlichny
The appearance of invasive species threatens the integrity of aquatic ecosystems. Much is known about dispersal and introduction mechanisms while little is known on the biological properties of invasive species, such as behavior and energy ...
Effect of parabranchial position on ventilatory pressures in the Pacific spiny dogfish (Squalus suckleyi) [0.03%]
副鳃篮位置对太平洋刺背角鲨(Squalus suckleyi)呼吸压力的影响
Sarah Arnette,Jacob Saffarian,Lara Ferry et al.
Sarah Arnette et al.
The mechanics of ventilation in elasmobranchs have been described as a two-pump system which is dependent on the generation of differential pressures between the orobranchial and parabranchial cavities. However, this general model does not ...
Differential effect of dehydration on the voluntary activity of a diurnal toad [0.03%]
脱水对昼行虎纹蛙自主活动的影响不同
María Soledad Gastón,Mauricio Sebastián Akmentins
María Soledad Gastón
Anuran amphibians' ability to maintain their activity at high temperatures or low humidity depends on their capacity to face dehydration, especially when they display diurnal and terrestrial life habits. Melanophryniscus rubriventris is a d...