Yahoo España Búsqueda web

Search results

1. www.catalogueoflife.orgCOL | The Catalogue of Life

   www.catalogueoflife.org

   • En caché

   26 de abr. de 2024 · The most complete authoritative list of the world's species - maintained by hundreds of global taxonomists - Learn more. COL Version: 2024-04-26 Advanced search. Find taxon. Info Include extinct.

2. Imágenes

   • 
   • 
   • 
   • 
   • 
   • 

   Ver todo

3. www.britannica.com › science › taxonomyTaxonomy | Definition, Examples, Levels, & Classification

   www.britannica.com › science › taxonomy

   • En caché

   7 de may. de 2024 · taxonomy, in a broad sense the science of classification, but more strictly the classification of living and extinct organisms—i.e., biological classification. The term is derived from the Greek taxis (“arrangement”) and nomos (“law”). Taxonomy is, therefore, the methodology and principles of systematic botany and zoology ...

4. www.britannica.com › science › species-taxonSpecies | Definition, Types, & Examples | Britannica

   www.britannica.com › science › species-taxon

   • En caché

   10 de may. de 2024 · species, in biology, classification comprising related organisms that share common characteristics and are capable of interbreeding. This biological species concept is widely used in biology and related fields of study. There are more than 20 other different species concepts, however.

5. Vídeos

   • 

     2:16

     youtube.com

     Species III (2004) - Official Trailer (HD)

     29 feb 2016

     295.5K vistas

   • 

     0:54

     youtube.com

     Species 3 Official Trailer #1 - Jim Cody Williams Movie (2004) HD

     5 oct 2012

     132.7K vistas

   • 

     2:02

     youtube.com

     Species III Trailer

     16 sept 2014

     641.5K vistas

   Ver todo

6. www.nature.com › articles › s41557/024/01535-8Accessing elusive σ-type cyclopropenium cation equivalents...

   www.nature.com › articles › s41557/024/01535-8

   Hace 16 horas · The σ-type cyclopropenium cations (CPCs) are unstable species and currently underdeveloped. Now, an iodine(III)-based cyclopropenyl transfer reagent has been developed, which can generate ...

7. www.britannica.com › science › phylogenyPhylogeny | Evolution, Classification & Taxonomy | Britannica

   www.britannica.com › science › phylogeny

   • En caché

   Hace 6 días · Phylogeny, the history of the evolution of a species or group, especially in reference to lines of descent and relationships among broad groups of organisms. Fundamental to phylogeny is the proposition, universally accepted in the scientific community, that plants or animals of different species

8. en.wikipedia.org › wiki › TrilobiteTrilobite - Wikipedia

   en.wikipedia.org › wiki › Trilobite

   • En caché

   Hace 1 día · Some species may have kept eggs or larvae in a brood pouch forward of the glabella, particularly when the ecological niche was challenging to larvae. Size and morphology of the first calcified stage are highly variable between (but not within) trilobite taxa, suggesting some trilobites passed through more growth within the egg than others.

9. www.nature.com › articles › s41467/024/47854-9Catalytic 1,1-diazidation of alkenes | Nature Communications

   www.nature.com › articles › s41467/024/47854-9

   29 de abr. de 2024 · The species III can give phenylonium ion intermediate IV after the attack from intramolecular vicinal electron-rich aryl group and release phenylselenium fluoride. phenylselenium fluoride might ...