Results 51 to 60 of about 101,589 (309)

Evaluating the African arid corridor hypothesis: A meta‐analysis including the phylogenetic and biogeographical history of Sesamothamnus

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise We examined the African arid corridor (AAC) disjunction pattern of vascular plants between northeastern and southwestern Africa in the context of geological and climatic events since the late Miocene. We developed a phylogenetic and biogeographical framework for the arid‐adapted genus Sesamothamnus (Pedaliaceae), a classic example of ...
John G. Zaborsky   +6 more
wiley   +1 more source

Pirnilu Nintipungkupayi (Everyone Is a Teacher): Keeping Old People's Spirit Healthy Through Education

open access: yesSocial Inclusion
In the Ngaanyatjarra Lands of desert Western Australia, older people are being encouraged to participate meaningfully in student education. This initiative is being led by two of the authors of this article, senior Ngaanyatjarra women, both of whom work ...
Jennie Buchanan   +4 more
doaj   +1 more source

Proliferating Cells in Knee Epiphyses of Lizards Allow for Somatic Growth and Regeneration after Damage

open access: yesJournal of Functional Morphology and Kinesiology, 2017
After bone damage, fracture or amputation, lizards regenerate a variable mass of cartilaginous and fibro-cartilaginous tissues, depending from the anatomical site and intensity of inflammation. Aside tail and vertebrae, also long bones and knee epiphyses
Lorenzo Alibardi
doaj   +1 more source

Podarcis siculus latastei (Bedriaga, 1879) of the western pontine islands (italy) raised to the species rank, and a brief taxonomic overview of podarcis lizards [PDF]

open access: yes, 2019
In recent years, great attention has been paid to many Podarcis species for which the observed intra-specific variability often revealed species complexes still characterized by an unresolved relationship. When compared to other species, P.
Bohme, W.   +3 more
core   +1 more source

Mandible composition and properties in two selected praying mantises (Insecta, Mantodea)

open access: yesThe Anatomical Record, EarlyView.
Abstract Insects process their food with their cuticle‐based mouthparts. These feeding structures reflect their diversity and can, in some cases, showcase adaptations in material composition, mechanical properties, and shape to suit their specific dietary preferences.
Malo Roze   +3 more
wiley   +1 more source

Cricosaura, C. typica [PDF]

open access: yes, 1988
Number of Pages: 3Integrative BiologyGeological ...
Crother, Brian I.
core   +1 more source

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Genetic diversity of Cryptosporidium spp. in captive reptiles [PDF]

open access: yes, 2004
The genetic diversity of Cryptosporidium in reptiles was analyzed by PCR-restriction fragment length polymorphism and sequence analysis of the small subunit rRNA gene.
Xiao, L.   +12 more
core   +2 more sources

The tiger salamander as a promising alternative model organism to the axolotl for fracture healing and regenerative biology research

open access: yesThe Anatomical Record, EarlyView.
Abstract Scientists have been captivated by the ability to regenerate, focusing on uncovering the mechanisms of epimorphic regeneration and applying them to human medicine. The axolotl (Ambystoma mexicanum) has become the most intensively studied model in tetrapod regeneration research, particularly concerning limb regeneration.
Vivien Bothe, Nadia Fröbisch
wiley   +1 more source

Spotlight on islands.On the origin and diversification of an ancient lineage of the Italian wall lizard Podarcis siculus in the western Pontine Islands [PDF]

open access: yes, 2018
Groups of proximate continental islands may conceal more tangled phylogeographic patterns than oceanic archipelagos as a consequence of repeated sea level changes, which allow populations to experience gene flow during periods of low sea level stands and
Castiglia, Riccardo   +6 more
core   +3 more sources

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