Results 41 to 50 of about 495,102 (233)

Biólogos e outros entes na caatinga: etnografia e endemismo em contextos de relações transespecíficas

open access: yesRELACult, 2019
A diversidade biológica do Brasil é composta por seis biomas: amazônia, cerrado, caatinga, mata atlântica, pantanal e pampa. Dentre eles, a caatinga é o único que os biólogos reconhecem como exclusivamente brasileiro.
Elizeu Pinheiro da Cruz
doaj   +1 more source

A formação de professores (as) em ciências biológicas

open access: yesRevista Insignare Scientia - RIS, 2018
A formação de professores tem se pautado por um paradigma de ensino tradicional. Nesse intuito, advoga-se a favor de uma epistemologia da práxis, na busca por uma ruptura paradigmática no âmbito da formação, visando contemplar conhecimentos outros. Assim,
J. A. O. Neto   +2 more
semanticscholar   +1 more source

Histovariability and fossil diagenesis of Pissarrachampsa (Pseudosuchia, Notosuchia, Baurusuchidae) from the Upper Cretaceous of Southeast Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Notosuchians were key components of western Gondwanan Cretaceous ecosystems in terrestrial predator niches and exhibited remarkable taxonomic and ecological diversity. Previous research has explored their physiology, metabolism, and histology, revealing varied growth patterns and life history strategies.
Tito Aureliano   +5 more
wiley   +1 more source

Biossensor espectrofotométrico para determinação de glicose

open access: yesRevista de Biologia Neotropical, 2008
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Flávio Marques Lopes
doaj  

Inside a duck‐billed dinosaur: Vertebral bone microstructure of Huallasaurus (Hadrosauridae), Upper Cretaceous of Patagonia

open access: yesThe Anatomical Record, EarlyView.
Abstract Dinosaurs evolved a unique respiratory system with air sacs that contributed to their evolutionary success. Postcranial skeletal pneumaticity (PSP) has been used to infer the presence of air sac systems in some fossil archosaurs. While unambiguous evidence of PSP is well documented in pterosaurs and post‐Carnian saurischians, it remains absent
Tito Aureliano   +3 more
wiley   +1 more source

Imobilização de enzimas em compósitos de poli(Etilenotereftalato)-poli(Anilina)-glutaraldeído

open access: yesRevista de Biologia Neotropical, 2008
Veja o resumo no arquivo em ...
Samantha Salomão Caramori
doaj  

A new species of Lonchidiidae (Hybodontiformes) from the Late Jurassic of Brazil (Aliança Formation, Jatobá Basin)

open access: yesThe Anatomical Record, EarlyView.
Abstract The Aliança Formation (Jatobá Basin) represents lacustrine deposits formed in oxygenated waters that hosted a diverse fauna, including Hybodontiform sharks. Within this group, the Family Lonchidiidae comprises 11 valid genera, with Parvodus previously reported in Brazilian deposits from the Brejo Santo Formation (Araripe Basin, Late Jurassic ...
Larissa de Souza Ribeiro   +1 more
wiley   +1 more source

Integrating whole‐bone and regional analyses to understand human scapular growth

open access: yesThe Anatomical Record, EarlyView.
Abstract This study investigates ontogenetic changes in human scapular morphology using three‐dimensional geometric morphometrics with whole‐bone and region‐specific analyses. The aim is to evaluate whether the scapula follows a regular developmental pattern and whether its functionally distinct components, the scapular spine (SS) and glenoid fossa ...
Azahara Salazar‐Fernández   +3 more
wiley   +1 more source

Avaliação institucional em Ciências Biológicas nas modalidades presencial e a distância: percepção dos egressos

open access: yesEnsaio, 2015
O presente artigo apresenta os resultados de uma pesquisa que procurou evidenciar a percepção dos egressos de Cursos de Ciências Biológicas do Estado do Rio de Janeiro como indicador de avaliação institucional.
Luiz Carlos dos Santos Ribeiro   +3 more
doaj   +1 more source

Much more than their fangs: Macroscopic anatomy of the brain of Bothrops moojeni Hoge 1966 (Squamata, Serpentes, Viperidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract Neuroanatomical research has progressed considerably in several vertebrate lineages, yet studies of reptilian brain morphology remain markedly underdeveloped. Here we provide the first description of macroscopic brain anatomy and its ontogeny in the viperid Bothrops moojeni, based on a sample of seven individuals.
Paula Araújo   +2 more
wiley   +1 more source

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