Results 101 to 110 of about 38,739 (234)

Taxonomic synopsis and distribution of Turneraceae in Maranhão state, Brazil

open access: yesAnales del Jardín Botánico de Madrid
The taxonomic treatment of the Turneraceae species from Maranhão state, Brazil is presented. Twenty-one species distributed in two genera were recognized: Piriqueta, with seven species, and Turnera with 14, of which P. guianensis, T.
Maycon Jordan C. Silva   +2 more
doaj   +1 more source

Upper Cretaceous Mollusca from Southern California [PDF]

open access: yes, 1937
One new genus and thirteen new species of Mollusca are described from the Upper Cretaceous fauna of the Santa Ana Mountains, southern California. New generic assignments based upon discovery and study of previously unobserved structural features are ...
Popenoe, Willis Parkison
core  

La "Biología" cumple dos siglos

open access: yesProyección, 2001
Con ocasión de los doscientos años de la “reinvención” de la palabra “biología” y los doscientos años de la publicación de Recherches sur l’organization des corps vivants, se recuerda en este trabajo la obra y las ideas científicas, filosóficas y ...
Leandro Sequeiros San Román
doaj  

UPPER CRETACEOUS (MAESTRICHTIAN) BENTHIC FORAMINIFERA FAUNA IN THE OSMANİYE (ADANA) REGION

open access: yesBulletin of the Mineral Research and Exploration, 1991
In this paper general information is presented on the regional stratigraphy on the base of the data gathered by studying the bentic foraminifera present in the Upper Cretaceous (Macstrichtian) sediments of the Osmaniye (Adana) region.
Niyazi AVŞAR
doaj  

Aquaculture and marketing of the Florida Bay Scallop in Crystal River, Florida [PDF]

open access: yes, 2000
The overall goal of this study was to develop a new fishery resource product through open-water aquaculture for the west coast of Florida that would compete as a non-traditional product through market development.
Adams, Charles   +5 more
core  

Online Meta-learning by Parallel Algorithm Competition

open access: yes, 2017
The efficiency of reinforcement learning algorithms depends critically on a few meta-parameters that modulates the learning updates and the trade-off between exploration and exploitation.
Baker James E.   +13 more
core   +1 more source

La selección artificial en el origen del pensamiento evolutivo y en los procesos de domesticación en el mundo actual

open access: yesRevue d'ethnoécologie
Domestication of organisms is a set of knowledge and practices that have generated, throughout history, knowledge and procedures, and new lineages or populations. Knowledge obtained from these processes, particularly those related to biological variation
Arturo Argueta Villamar   +2 more
doaj   +1 more source

XV. Biology and the Rise of the Social Sciences

open access: yes, 1958
Modern science, it has been said, has undergone three revolutions: the Copernican, the Newtonian, and the Darwinian. This oversimplification is valid if our standard of judgment is social impact.
Bloom, Robert L.   +6 more
core  

La difusión de la teoría evolucionista de Lamarck en la revista La Abeja [PDF]

open access: yes, 1997
La obra de Lamarck fue difundida, entre los años 1862 y 1865, por la revista La Abeja dirigida por Antoni Bergnes de las Casas y publicada en Barcelona.
Camós Cabeceran, Agustí
core   +1 more source

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