La promesa del proyecto del genoma humano (PGH) fue que iba a transformar radicalmente la práctica médica. Cambiaría el paradigma de “diagnóstico y tratamiento” por el de “predicción de riesgo y prevención”. Hace más de ...

Los autores que han escrito sobre la filosofía biológica de C. Picado han afirmado que era lamarckista, “como correspondía a un científico entren ado en París” en esa época Este trabajo intenta demostrar que esa afirmación ...

Sixty-one species of bryozoans have been reported in the literature from Costa Rica and are distributed as follows: Caribbean: 13 species in 11 genera, 10 families, 1 order, and 1 class; Pacific: 49 species in 41 genera, ...

In flowering plants the transfer of traits from one generation to the other involves fertilization of female gametophyte with sperm cells delivered by pollen tube, and the subsequent reassortment of traits (alleles) in the ...

This catalogue contains revised and updated taxonomic and distributional information about hagfishes of Mexico and Central America (Pacific and Caribbean coasts). It includes all nominal species of the family Myxinidae ...

La fragmentación y la perturbación del bosque pueden tener efectos deletéreos sobre el éxito reproductivo y el sistema de apareamiento de los árboles tropicales, además de modificar el compartimiento de sus polinizadores. ...

This chapter provides an overview of the species diversity and conservation status of the freshwater decapods in Central America and the Caribbean islands that date back to the late 1800s in both areas. The majority of the ...

Although insects are one of the most diverse groups of organisms on earth, relatively few species are found associated with marine habitats. The majority of these marine species live in intertidal or coastal habitats and ...

Costa Rica is a country with abundant and diverse freshwater ecosystems, which are influenced and characterized by different orographic precipitation regimes. This variety of habitats harbors great biological diversity, ...

Eighty-four species of benthic and one species of planktonic Foraminifera, classified under 40 genera and 34 families reported for Costa Rica are listed in this paper. These lists are based on literature data and ongoing ...