Frontiers in Zoology
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Goats distinguish between positive and negative emotion-linked vocalisations
Frontiers in Zoology - Tập 16 - Trang 1-11 - 2019
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......
Modeling the origins of mammalian sociality: moderate evidence for matrilineal signatures in mouse lemur vocalizations
Frontiers in Zoology - Tập 11 - Trang 1-14 - 2014
Maternal kin selection is a driving force in the evolution of mammalian social complexity and it requires that kin are distinctive from nonkin. The transition from the ancestral state of asociality to the derived state of complex social groups is thought to have occurred via solitary foraging, in which individuals forage alone, but, unlike the asocial ancestors, maintain dispersed social networks ......
Alternative delivery of male accessory gland products
Frontiers in Zoology - Tập 11 - Trang 1-8 - 2014
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 ......
The nervous system of Paludicella articulata - first evidence of a neuroepithelium in a ctenostome ectoproct
Frontiers in Zoology - Tập 11 - Trang 1-11 - 2014
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......
Introducing biological realism into the study of developmental plasticity in behaviour
Frontiers in Zoology - Tập 12 Số Suppl 1 - Trang S6 - 2015
Mining morphometrics and age from past survey photographs
Frontiers in Zoology - Tập 16 - Trang 1-11 - 2019
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......
‘Monster… -omics’: on segmentation, re-segmentation, and vertebrae formation in amphibians and other vertebrates
Frontiers in Zoology - Tập 10 - Trang 1-8 - 2013
The axial skeleton is one of the defining evolutionary landmarks of vertebrates. How this structure develops and how it has evolved in the different vertebrate lineages is, however, a matter of debate. Vertebrae and vertebral structures are derived from the embryonic somites, although the mechanisms of development are different between lineages. Using the anecdotal description of a teratological n......
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
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......
Sea urchin growth dynamics at microstructural length scale revealed by Mn-labeling and cathodoluminescence imaging
Frontiers in Zoology - Tập 14 - Trang 1-17 - 2017
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......
Contrasting ecological niches lead to great postzygotic ecological isolation: a case of hybridization between carnivorous and herbivorous cyprinid fishes
Frontiers in Zoology - Tập 18 - Trang 1-11 - 2021
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 ......
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