Results 71 to 80 of about 1,074,895 (298)

Origin, evolution and biogeographic dynamics of the European rabbit (Oryctolagus cuniculus) in Southwestern Europe

open access: yesThe Anatomical Record, EarlyView.
Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley   +1 more source

Geometric morphometric approaches to the study of sexual size dimorphism in mammals

open access: yesHystrix, the Italian Journal of Mammalogy, 2000
<strong>Abstract</strong> Sexual size dimorphism (SSD) has been extensively documented in many organisms, from vascular plants to vertebrates, including mammals.
Craig Hood
doaj   +1 more source

Variational modularity at the cell level : insights from the sperm head of the house mouse [PDF]

open access: yes, 2013
Background: Modularity is an important feature in the evolvability of organisms, since it allows the occurrence of complex adaptations at every single level of biological systems.
López Fuster, María José   +3 more
core   +2 more sources

New techniques for old bones: Morphometric and diffeomorphometric analysis of the bony labyrinth of the Reilingen and Ehringsdorf Neandertals

open access: yesThe Anatomical Record, EarlyView.
Abstract Neandertals are known to possess very distinctive traits in their bony labyrinth morphology, such as an inferiorly positioned posterior canal and a very low number of turns in the cochlea. Hence, the inner ear has been often used to assess the Neandertal status of fragmentary fossils.
Alessandro Urciuoli   +6 more
wiley   +1 more source

Morphological Characterization of Wild and Cultured <i>Clarias gariepinus</i> (Burchell 1822) using Principal Component and Cluster Analyses

open access: yesNotulae Scientia Biologicae, 2016
The study was designed to describe the phenotypic variations in morphometric and meristic characters of Clarias gariepinus between two populations in different towns in Ekiti State, Nigeria.
Folasade A. OLA-OLADIMEJI   +3 more
doaj   +1 more source

Asimetría fluctuante como un indicador de estrés ambiental en pequeños mamíferos [PDF]

open access: yes, 2017
La estabilidad del desarrollo de un organismo se refleja en la capacidad que posee de producir una forma “ideal” bajo un conjunto particular de condiciones.
Coda, José Antonio   +4 more
core  

Population structure of the chub mackerel (Scomber colias) in the North-east Atlantic inferred from otolith shape and body morphometrics

open access: yesMarine and Freshwater Research, 2020
The Atlantic chub mackerel (Scomber colias) is an important commercial fish species of the North-east Atlantic. Two-year-old individuals collected between January and April of 2018 at six sampling locations (45 fish per site) of the North-east Atlantic (
A. Muniz   +5 more
semanticscholar   +1 more source

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

On the origin of spaces: morphometric foundations of urban form evolution [PDF]

open access: yes, 2017
The modern discipline of urban morphology gives us a ground for the comparative analysis of cities, which increasingly includes specific quantitative elements.
Adams DC   +39 more
core   +2 more sources

Modern morphometrics and the study of population differences: Good data behind clever analyses and cool pictures?

open access: yesThe Anatomical Record, 2020
The study of phenotypic variation in time and space is central to evolutionary biology. Modern geometric morphometrics is the leading family of methods for the quantitative analysis of biological forms.
A. Cardini
semanticscholar   +1 more source

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