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Fins or wings?

Series : Image and science : Mutations and metamorphosis

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  00:26:00  2004  Color  Sound

Three scientists (Nobel Prize-winner for medicine François Jacob, embryologist Nicole Le Douarin, and biology professor Hervé Le Guyader) answer questions about the subject of the evolution of species.
The major phases of evolution are presented: the first molecules of life, then marine species, then the conquest of terra firma. The development of organs is related to their function. The forelimbs of all the tetrapods have the same structure, but humans have hands, birds have wings, and porpoises have fins. Evolutionary paths are not always easy to reconstruct and some "paradoxical" animals, like the coelacanth and the platypus, demonstrate that certain characteristics can evolve independently.

Associate producer : Flight Movie
Coproducer : CNRS Images
Participation : France 5Min. RechercheCNC
 
Identification
Audiovisual processPrises de vues réelles. Utilisation d'extraits de films ("De la levure à l'homme", "La forêt tropicale de Guyane", "Reproduction de la sterne Caugek").
Interventions en son direct et interviews en voix off. Musique originale (Roland Auzet).
PersonnalitiesLE DOUARIN Nicole(Lab. embryologie cellulaire et moléculaire, Collège de France, Nogent sur Marne); LE GUYADER Hervé(Lab. Systématique, adaptation, évolution, CNRS-Univ. Pierre et Marie Curie (Paris VI)); JACOB François
Date of broadcasting27/09/2004 (France 5)
NotesF. Jacob : biologiste, prix Nobel de médecine.
N. Le Douarin : embryologiste, médaille d'or du CNRS.
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Technical Sheet
Number1190
PublicLarge audience
Original SupportDigital Beta
VersionFrench
DistributionSale (private use), Sale (institutionnal use)
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