Results 121 to 130 of about 19,338 (301)

Redescription of the cranial morphology of Amphisbaena braestrupi and Amphisbaena laurenti (Squamata: Amphisbaenidae) from the Pleistocene of Brazil using x‐ray computed tomography

open access: yesThe Anatomical Record, EarlyView.
Abstract Amphisbaenians (Squamata: Amphisbaenidae) are fossorial reptiles with highly specialized cranial morphology, yet their fossil record is frequently limited by fragmentary preservation. This study provides a detailed osteological redescription of the skulls of Amphisbaena braestrupi and Amphisbaena laurenti from the Pleistocene of Lagoa Santa ...
Carolina L. Paiva   +2 more
wiley   +1 more source

Characteristics of ontogenesis st ages of gentiana asclepiadea l.

open access: yes, 2000
https://drive.google.com/file/d/1QuDoVVZ_93lwhjln2UcGSKGy9_nUyoZZ/view?usp=sharingПід малим житгєвим циклом рt:лини потрібно розу­міти морфоrенез монокарпічного пагону.Тhе stages of ontogenesis of Gentiana aJclepiadea L.
Кишко, Каріна Миколаївна
core  

Assessment of intraspecific skull variation in the Campanian baenid turtle Plesiobaena antiqua

open access: yesThe Anatomical Record, EarlyView.
Abstract Baenids are freshwater paracryptodiran turtles with a fossil record ranging from the Early Cretaceous to the Eocene. The baenid Plesiobaena antiqua is the most common turtle in the Campanian (Late Cretaceous) Dinosaur Park Formation in Canada, but the apparent intraspecific variation remains poorly understood.
Scott Bellotti   +4 more
wiley   +1 more source

Circadian regulation of sleep during ontogenesis in humans [PDF]

open access: yes, 2014
The circadian system has evolved as an adaptation to periodically changing conditions on Earth. In mammals, and therefore in humans, the circadian system consists of the central and perip- heral oscillators generating a circadian rhythm.
Grieblová, Adéla
core  

Regional variability in skull sexual dimorphism: Olive baboons, blue monkeys, and vervets confirm the posterior region of the skull and the snout as opposite extremes of sex differences in Old World monkeys

open access: yesThe Anatomical Record, EarlyView.
Abstract This study, alongside prior work on crab‐eating macaques with O'Higgins, investigates regional variation in skull sexual dimorphism across different species of Old World monkeys. Findings reveal consistent patterns: the posterior skull regions (mandibular vertical ramus, chondrocranium and, possibly, the cranial vault) exhibit lower dimorphism,
Andrea Cardini
wiley   +1 more source

Animal empathy reconsidered: a multidimensional profile account

open access: yesBiological Reviews, EarlyView.
ABSTRACT Empathy is the glue that holds societies together and yet several fundamental questions about empathy persist. What is empathy (the definitional question)? Is it uniquely human and, if not, which nonhuman animals possess empathy (the distribution question)? Which type or quality of empathy is realized in different species (the quality question)
Albert Newen   +5 more
wiley   +1 more source

Features of growth and generative development of Campsis radicans (L.) Seem. ex Bureau in the conditions of the Northern Black Sea region

open access: yesНаукові доповіді Національного університету біоресурсів і природокористування України
The need to control the spread of introduced species with high adaptive potential in new ecological conditions necessitates the study of their biological properties. The aim of the study was to establish the biological characteristics of Campsis radicans
O. Korolyova
doaj   +1 more source

Food‐solicitation displays in nestling birds: still begging for answers

open access: yesBiological Reviews, EarlyView.
ABSTRACT Nestling begging is a key model for understanding animal communication and parent–offspring conflict. Dynamic begging displays are often interpreted as costly, honest signals of need, with honesty maintained by viability costs, as proposed in Godfray's influential signalling model.
Daniel Parejo‐Pulido, Tomás Redondo
wiley   +1 more source

Circulating monocyte partitioning and its alteration in hematological chronic neoplasms

open access: yesCytometry Part B: Clinical Cytometry, EarlyView.
Abstract Circulating monocyte partitioning refers to the relative quantification of the three main monocyte subsets in the peripheral blood, namely classical (cMo), intermediate (iMo), and non‐classical (ncMo) monocytes, as assessed by flow cytometry, a new nomenclature described 15 years ago.
Sihem Tarfi   +4 more
wiley   +1 more source

Handedness genetics: Considering the phenotype

open access: yesFrontiers in Psychology, 2014
Sebastian eOcklenburg   +2 more
doaj   +1 more source

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