Results 91 to 100 of about 2,801 (215)
Nuestros Recursos - Tortuga Charapa del Amazonas
Documental sobre la tortuga charapa del Amazonas, su anatomía, hábitat, comportamiento y proceso reproductivo.#PatrimonioAudiovisual#Utadeo ...
Universidad de Bogotá Jorge Tadeo Lozano - Audiovisuales
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La UAA El Tibar, de la Universidad de Cundinamarca seccional Ubaté, cuenta con un espacio destinado a la cunicultura, esta se maneja bajo el sistema reproductivo tradicional o extensivo y de esta manera no permite tener un sistema productivo más ...
Conejo Sánchez, Jorge Eliecer
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Prevalencia del síndrome respiratorio y reproductivo porcino en el Perú [PDF]
El Síndrome Respiratorio Reproductivo Porcino (PRRS) es una enfermedad viral que se caracteriza por ocasionar tanto problemas respiratorios como reproductivos en cerdos de todas las edades y ocasiona pérdidas productivas y económicas de gran impacto ...
Navarro Polo, Karla Paola +1 more
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Summary Beyond fully mycoheterotrophic plants, many green plants may also obtain carbon from fungal partners. However, bulk stable isotope analyses often lack sufficient resolution in arbuscular mycorrhizal and rhizoctonia‐associated orchid systems, limiting inference of fungal‐derived organic nutrient acquisition.
Kenji Suetsugu +3 more
wiley +1 more source
Breeding systems were evaluated for 51 plant species according to life form, pollination system, vegetation type, and phenology, in the coastal plain of Paraguaná Peninsula, Venezuela. Sexual systems were non associated to life form, pollination system, vegetation type, and phenology.
Luis José Lemus-Jiménez +1 more
openaire +4 more sources
Con el fin de comparar histológicamente los sistemas reproductivos de diferentes linajes de batoideos se examinaron 93 ejemplares (62 hembras y 31 machos) de cuatro especies: Narcine bancroftii (familia Narcinidae), Rhinobatos percellens (familia ...
Moreno, Fabián +4 more
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Summary In plants, a key example of convergence is the repeated evolution of floral traits associated with the transition from outcrossing to self‐fertilization, often resulting in the ‘selfing syndrome’ (e.g. reduced flower size and loss of scent). However, potentially overlooked changes concern the pollen coat, which plays a role in different aspects
Ömer İltaş +7 more
wiley +1 more source
Sistema reproductivo de Vassobia breviflora (Solanaceae) en Aguas Chiquitas, Tucumán
XXXVII Jornadas Argentinas de ...
Cisneros, Claudia +4 more
openaire +1 more source
Ecological change may be a common initiator of evolutionary pollinator shifts
Summary Although evolutionary pollinator shifts are accepted as major sources of floral and species diversity in angiosperms, the mechanisms triggering pollinator shifts remain largely unexplored. In 1970, Stebbins proposed that ecological change may be a common initiator of evolutionary pollinator shifts, but empirical tests of Stebbins' hypothesis ...
Agnes S. Dellinger
wiley +1 more source
Adesmia bijuga Phil. is an endemic shrub in central Chile, classified as a critically endangered species of plant. After more than 100 years since its original description by R. A.
LILLO, DIANA +2 more
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