Results 21 to 30 of about 75,647 (379)
This guide is designed to be used by teachers as an aid for teaching principles of fossils and past life to elementary school students. The activities and labs provided include topics such as fossilization, sedimentation, trace fossils, the importance of
core +2 more sources
The paper features the results of archaeological and paleontological research in the left bank of the Kuibyshev reservoir, at the mouth of the Aktai River (Republic of Tatarstan).
Galimova Madina Sh. +3 more
doaj +1 more source
The largest source of empirical data on the history of life largely derives from the marine invertebrates. Their rich fossil record is an important testing ground for macroecological and macroevolutionary theory, but much of this historical biodiversity ...
Stewart M. Edie+3 more
doaj +1 more source
The 175th anniversary of Vladimir Onuphrievich Kovalevsky, an outstanding Russian scientist, considered as a founder of evolutionary paleontology, is celebrated in 2017 year. Before the classical works of V.O. Kovalevsky, paleontology dealt predominantly
V. N. Komarov
doaj +1 more source
Molecular Taphonomy of Heme: Chemical Degradation of Hemin under Presumed Fossilization Conditions
The metalloporphyrin heme acts as the oxygen-complexing prosthetic group of hemoglobin in blood. Heme has been noted to survive for many millions of years in fossils. Here, we investigate its stability and degradation under various conditions expected to
Mariam Tahoun+4 more
doaj +1 more source
Paleontology in France: 200 years in the footsteps of Cuvier and Lamarck [PDF]
International audienceDue to its richness in fossil localities and Fossil-Lagerstätten, France played a major role in the 18th and 19th centuries in establishing paleontology and biostratigraphy as scientific disciplines.
Antoine, Pierre-Olivier+4 more
core +3 more sources
Possible Origin of Stagnation and Variability of Earth's Biodiversity [PDF]
The magnitude and variability of Earth's biodiversity have puzzled scientists ever since paleontologic fossil databases became available. We identify and study a model of interdependent species where both endogenous and exogenous impacts determine the nonstationary extinction dynamics.
arxiv +1 more source
Impacts of invasive rats on Hawaiian cave resources
Although there are no published studies and limited data documenting damage by rodents in Hawaiian caves, our incidental observations during more than 40 years of surveying caves indicate that introduced rodents, especially the roof rat, Rattus rattus ...
Francis G. Howarth, Fred D. Stone
doaj +1 more source
The important paleontological and archaeological discoveries made in Tamajón in recent years have enriched the exceptional natural and cultural heritage of this town in the north of the Guadalajara province (central Spain).
Fernando Barroso-Barcenilla+8 more
doaj +1 more source