Results 51 to 60 of about 14,031 (243)

Aspects of the taphonomy of the Cambrian Explosion in North Greenland [PDF]

, 2017
This thesis describes and elucidates the taphonomic pathways responsible for the exceptional preservation of some of the most common elements of the Sirius Passet Lagerstätte (early Cambrian), North Greenland.
STRANG, KATIE,MARGARET
core  

Qualitative Analysis of College Students' Ideas about the Earth: Interviews and Open-Ended Questionnaires [PDF]

, 2005
NOTE: This is a large file, 165.8 mb in size! This article describes a study in which students' conceptual understanding about the Earth was examined. In the study, students enrolled in introductory science courses at four institutions, completed open ...
Julie Dahl, Julie Libarkin, Meredith Beilfuss, Steven Anderson, William Boone   +4 more
core   +1 more source

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

The 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, Aline M. Ghilardi, Jonatan Kaluza, Agustín G. Martinelli   +3 more
wiley   +1 more source

DEVELOPING ENGLISH SPEAKING SKILLS: Barriers faced by the Bangladeshi EFL learners

Englisia, 2020
This study aimed at investigating the prevailing barriers for developing English speaking skills faced by the undergraduate level students in Bangladesh.
Md. Mohsin Mridha, Sheikh Md. Muniruzzaman   +1 more
doaj   +1 more source

Unlocking preservation bias in the amber insect fossil record through experimental decay. [PDF]

, 2018
Fossils entombed in amber are a unique resource for reconstructing forest ecosystems, and resolving relationships of modern taxa. Such fossils are famous for their perfect, life-like appearance.
A Henwood, A Henwood, A Henwood, A Ross, AD Butler, Arnoud Boom, B Erkosar, BA Stankiewicz, Betsy Foxman, C Lozupone, C Soriano, Carmen Soriano, CE Shannon, CW Beck, D Azar, D Coty, D Penney, D Penney, D Penney, DE Briggs, DE Briggs, Dong Hoon Shin, DR Lovley, EC Raff, G Poinar Jr, G Poinar Jr, GO Poinar, GO Poinar Jr, HJD Dorman, J Lambert, J Lambert, J Stewart, JA Navas-Molina, JB Lambert, JB Lambert, JB Lambert, JB Lambert, LM Hedges, ME Williams, Mirko Pegoraro, MM Solórzano Kraemer, MT Baratta, N Bouzouita, N Broderick, OO Sonibare, P Jaccard, PJ McMurdie, PR Wilby, PR Wilby, S Hamm, S Hamm, S Hamm, Sarah E. Gabbott, Ting Luo, V Perrichot, V Perrichot, VE McCoy, Victoria E. McCoy, WH Kruskal, X Delclòs, X Martínez-Delclòs   +60 more
core   +3 more sources

Functional anatomy, jaw mechanisms, and feeding behavior of Dunkleosteus terrelli (Placodermi, Arthrodira)

The Anatomical Record, EarlyView.
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman, Robert K. Carr, Kate Trinajstic, Zerina Johanson, Oleg A. Lebedev   +4 more
wiley   +1 more source

Language Development and Acquisition in Early Childhood [PDF]

, 2019
The paper discussed in detail the process of language development and the process of language acquisition in early childhood. It also gave a brief overview of the theoretical frame of reference of language development.
Al-Harbi, S. S. (Salwa)
core   +3 more sources

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

The 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, Julia Diez‐Valero, Ignacio Martínez, Rolf Quam, Brian A. Keeling, Nicole M. Webb, Mercedes Conde‐Valverde   +6 more
wiley   +1 more source

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

The Anatomical Record, EarlyView.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt, Orlando Nelson Grillo, Christophe Hendrickx, Maximilian Kellermann, Max Cardoso Langer   +4 more
wiley   +1 more source

Naturalis Historia, Reconstructed [PDF]

, 2013
When Pliny the Elder wrote Naturalis Historia around 70 A.D., the idea of natural history contained and connected biology, geology, and mineralogy with the history of painting and sculpture. Art was an extension of the natural world as its materials were
Briland, Sarah
core   +1 more source