Goats distinguish between positive and negative emotion-linked vocalisationsFrontiers in Zoology - Tập 16 - Trang 1-11 - 2019
Luigi Baciadonna, Elodie F. Briefer, Livio Favaro, Alan G. McElligott
Evidence from humans suggests that the expression of emotions can regulate social interactions and promote coordination within a group. Despite its evolutionary importance, social communication of emotions in non-human animals is still not well understood. Here, we combine behavioural and physiological measures, to determine if animals can distinguish between vocalisations linked to different emot...... hiện toàn bộ
Alternative delivery of male accessory gland productsFrontiers in Zoology - Tập 11 - Trang 1-8 - 2014
Z Valentina Zizzari, Irene Smolders, Joris M Koene
To increase fertilization success, males transfer accessory gland products (Acps). Several species have evolved unconventional Acps transfer modes, meaning that Acps are transferred separately from the sperm. By surveying the sperm-free Acps transfer cases, we show that these animals have evolved a common strategy to deliver Acps: they all inject Acps directly through the partner’s body wall into ...... hiện toàn bộ
The nervous system of Paludicella articulata - first evidence of a neuroepithelium in a ctenostome ectoproctFrontiers in Zoology - Tập 11 - Trang 1-11 - 2014
Anna V Weber, Andreas Wanninger, Thomas F Schwaha
Comparatively few data are available concerning the structure of the adult nervous system in the Ectoprocta or Bryozoa. In contrast to all other ectoprocts, the cerebral ganglion of phylactolaemates contains a central fluid-filled lumen surrounded by a neuroepithelium. Preliminary observations have shown a small lumen within the cerebral ganglion of the ctenostome Paludicella articulata. Ctenostom...... hiện toàn bộ
Mining morphometrics and age from past survey photographsFrontiers in Zoology - Tập 16 - Trang 1-11 - 2019
Caitlin E. Black, Hannah S. Mumby, Michelle D. Henley
Researchers often document wildlife surveys using images. These images contain data that can be used to understand alterative research objectives, even years after they were originally captured. We have developed a method to measure age and morphology (body size measurements and tusk size) from survey image databases and future surveys, without the availability of a known subject distance or a sca...... hiện toàn bộ
Sự giữ lại nematocyst trong họ Fionidae (Gastropoda: Nudibranchia) xem xét các thuộc tính sinh thái và tiến hóa Dịch bởi AI Frontiers in Zoology - Tập 19 - Trang 1-27 - 2022
Irina A. Ekimova, Olga A. Vorobyeva, Anna L. Mikhlina, Dimitry M. Schepetov, Elena V. Vortsepneva, Tatiana I. Antokhina, Vladimir V. Malakhov
Các loài nudibranchae aeolid nổi tiếng với khả năng thu nhận nematocyst từ động vật nhuyễn thể và sử dụng chúng để tự vệ; quá trình này gắn liền chặt chẽ với sở thích ăn uống của nhuyễn thể. Do nhiều nhóm nudibranch cho thấy dấu hiệu tiến hóa thích nghi dựa trên sinh thái, các nghiên cứu về cơ chế phòng vệ dựa trên con mồi có thể cung cấp thông tin quý giá về chi tiết trong lịch sử tiến hóa của nu...... hiện toàn bộ
Sea urchin growth dynamics at microstructural length scale revealed by Mn-labeling and cathodoluminescence imagingFrontiers in Zoology - Tập 14 - Trang 1-17 - 2017
Przemysław Gorzelak, Aurélie Dery, Philippe Dubois, Jarosław Stolarski
Fluorochrome staining is among the most widely used techniques to study growth dynamics of echinoderms. However, it fails to detect fine-scale increments because produced marks are commonly diffusely distributed within the skeleton. In this paper we investigated the potential of trace element (manganese) labeling and subsequent cathodoluminescence (CL) imaging in fine-scale growth studies of echin...... hiện toàn bộ
Contrasting ecological niches lead to great postzygotic ecological isolation: a case of hybridization between carnivorous and herbivorous cyprinid fishesFrontiers in Zoology - Tập 18 - Trang 1-11 - 2021
Haoran Gu, Yuanfu Wang, Haoyu Wang, You He, Sihong Deng, Xingheng He, Yi Wu, Kaiyan Xing, Xue Gao, Xuefu He, Zhijian Wang
Postzygote isolation is an important part of species isolation, especially for fish, and it can be divided into two aspects: genetic isolation and ecological isolation. With the increase in parental genetic distance, the intensity of genetic isolation between them also increases. Will the increase in parental ecological niche differences also lead to the increase in ecological isolation intensity ...... hiện toàn bộ
Overcoming the fragility – X-ray computed micro-tomography elucidates brachiopod endoskeletonsFrontiers in Zoology - Tập 11 - Trang 1-15 - 2014
Ronald Seidel, Carsten Lüter
The calcareous shells of brachiopods offer a wealth of informative characters for taxonomic and phylogenetic investigations. In particular scanning electron microscopy (SEM) has been used for decades to visualise internal structures of the shell. However, to produce informative SEM data, brachiopod shells need to be opened after chemical removal of the soft tissue. This preparation occasionally da...... hiện toàn bộ