Results 21 to 30 of about 13,997 (243)

INVERTEBRADOS FÓSILES DEL PALEOZOICO DE SONORA, MÉXICO [PDF]

open access: yesEpistemus, 2016
A través de los fósiles es posible conocer la vida en el pasado geológico. La vida se originó en el mar hace 3700 Ma, siendo formas muy sencillas atribuibles a algas e invertebrados como las medusas; las primeras formas complejas se originaron a ...
Francisco Javier Cuen Romero   +3 more
doaj   +2 more sources

Biodiversity and spatial distribution of medusae in the Magellan Region (Southern Patagonian Zone)

open access: yesLatin American Journal of Aquatic Research, 2014
Epipelagic medusae collected in the Magellan Region (Southern Patagonian Zone) during spring 2009 were analyzed. A total of 27 species of medusae were identified (25 hydromedusae and 2 scyphomedusae).
Sergio Palma   +3 more
doaj   +1 more source

Medusas del Parque Nacional Jardines de la Reina

open access: yesRevista de Investigaciones Marinas, 2023
Se identificaron, mediante muestreos y registros fotográficos, las especies de medusas presentes en el Parque Nacional Jardines de la Reina. Se registraron, por primera vez para el PNJR, seis especies de medusas de la clase Scyphozoa, pertenecientes a ...
Ramón D. Morejón-Arrojo   +2 more
doaj  

Leer en clase de ciencias [PDF]

open access: yes, 2005
El punto de partida del artículo es la enseñanza-aprendizaje de las ciencias a partir de un modelo comunicativo. Se incide especialmente en la comprensión lectora, como una habilidad cognitiva que forma parte de un conjunto más amplio: hablar, escribir ...
Márquez, Conxita, Prat i Pla, Àngels
core   +2 more sources

Contrasting Antibacterial Capabilities of the Surface Mucus Layer From Three Symbiotic Cnidarians

open access: yesFrontiers in Marine Science, 2018
Coral reefs are affected by the deterioration of the oceans due to global warming and other anthropogenic perturbations, increasing the frequency, and severity of bleaching and disease.
Jacqueline Rivera-Ortega   +1 more
doaj   +1 more source

Where myth and archaeology meet: Discovering the Gorgon Medusa's Lair.

open access: yesPLoS ONE, 2021
Here we report the discovery of ceramic fragments that form part of a Gorgoneion, a ceramic image representation of the Gorgon Medusa. The fragments were found in a deep part of Gorham's Cave, well known to ancient mariners as a natural shrine, between ...
Clive Finlayson   +10 more
doaj   +1 more source

The Medusa Algorithm for Polynomial Matings [PDF]

open access: yes, 2011
The Medusa algorithm takes as input two postcritically finite quadratic polynomials and outputs the quadratic rational map which is the mating of the two polynomials (if it exists).
Boyd, Suzanne Hruska   +1 more
core   +3 more sources

Geometry of Seduction: the Beautiful Hair of Chinese «Medusa» [PDF]

open access: yes, 2018
El objetivo principal de este trabajo consiste en indagar sobre la geometría2 que se da en las estrategias de seducción desplegadas por los personajes de Jin Ping Mei (1617?),3 una de las novelas más eróticas del mundo.
Chang, Ya-Hui
core   +2 more sources

Analysis of the reading and comprehension control in scientific texts in high school students [PDF]

open access: yes
El proceso de aprendizaje de un alumno puede verse afectado negativamente cuando su control de la comprensión lectora no es adecuado. Esta investigación se centra en cómo una muestra de alumnos de Educación Secundaria Obligatoria (ESO) y Bachillerato ...
Baridon Chauvie, Daniela   +2 more
core   +2 more sources

Transformando a Medusa [PDF]

open access: yes, 2011
The mythic figure of Medusa is inherently linked with the idea of transformation; both her transformation from beautiful woman to monster as well as her ability to transform all who meet her gaze into statues have become fundamental elements of her story.
Currie, Charlotte
core   +2 more sources

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