Results 51 to 60 of about 156,140 (207)
El Herbario: significado, valor y uso. [PDF]
, 2001 En la historia de la vida sobre la Tierra, el capítulo que trata sobre el almacenamiento y conservación de las plantas se escribe en los dominios del herbario.
Katinas, L.
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American Anthropologist, Volume 127, Issue 3, Page 566-580, September 2025.ABSTRACT This article explores the persistence of race in biological anthropology, particularly in the context of ancestry estimation using the Fordisc software. Despite efforts to move away from race‐based typologies since the mid‐20th century, historical notions of race continue to shape scientific methods and technologies in anthropology. By tracing
Iris Clever, Lisette Jong
wiley +1 more source
Origins and Diversification of the Caatinga Dry Forest Endemic Avifauna
Journal of Biogeography, Volume 52, Issue 9, September 2025.ABSTRACT Aim Understanding the geographic origin of lineages is critical to comprehending their biogeographical and evolutionary histories and the historical connections among biomes. In northeastern Brazil, the Caatinga dry forest represents the largest and most biologically diverse patch of Seasonally Dry Tropical Forest in the Neotropics.
Hevana S. Lima +5 more
wiley +1 more source
La colección de Invertebrados Fósiles del Museo Nacional de Ciencias Naturales (CSIC)
Graellsia, 1997 El principal objetivo del presente trabajo es dar a conocer la composición de la colección de Invertebrados fósiles del Museo Nacional de Ciencias Naturales.
C. Diéguez, A. Montero
doaj +1 more source
An annotated list of the centipedes (Chilopoda) in the National Collection of Arachnids, Instituto de Biología, Universidad Nacional Autónoma de México [PDF]
, 2010 The National Collection of Arachnids, Instituto de Biología, Universidad Nacional Autónoma de México (México City) houses 476 chilopod samples, of which 197 are determined to genus and/or species. These are documented here and represent several new state
Cupul-Magaña, Fabio Germán
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, 2017 Number of pages: 7Geological SciencesIntegrative ...
Garrido, Orlando H. +2 more
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Integrative Zoology, Volume 20, Issue 4, Page 763-773, July 2025.Male frogs emit calls to attract mates and deter conspecific rivals. The evolution of these calls is thought to be linked to anatomical constraints and the acoustic characteristics of their surroundings. We tested these two factors in a radiation of 112 species of Neotropical treefrogs and found that body size and calling site affect peak frequency but
Moisés Escalona +17 more
wiley +1 more source
Las colecciones de anortositas canadienses del Museu de Geologia de Barcelona y de la Facultat de Geologia de la Universitat de Barcelona [PDF]
, 2007 Este trabajo aporta algunas precisiones sobre el origen y características petrográficas de las colecciones gemelas de rocas anortosíticas canadienses del Museu de Geologia de Barcelona y la Facultat de Geologia de la Universitat de Barcelona, así como ...
Aulinas, M. l +2 more
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The happy discovery of the "facilitated collection" [PDF]
, 2017 Lorcan Dempsey ha formulado el brillante concepto de “colección facilitada” (facilitated collection), que representa el arquetipo de la colección de una biblioteca académica en la actualidad.
Gallo-León, José-Pablo
core +3 more sources
Palaeontology, Volume 68, Issue 4, July/August 2025.Abstract A nearly complete and relatively well‐preserved skeleton of the giant ground sloth Megatherium sp. in the hyperarid core of the Atacama Desert reveals how climate related taphonomic processes drastically transformed these remains over time.
Luisa Straulino Mainou +14 more
wiley +1 more source