Réponse en radio sur Zénith FM LA FICHE SUR LE MUGUET Toutes les chroniques VivelesSVT.com sur Zénith FM
Les Sciences de la Vie et de la Terre au collège et au lycée. Découverte, actualité, cours, aide et soutien en ligne.
Réponse en radio sur Zénith FM LA FICHE SUR LE MUGUET Toutes les chroniques VivelesSVT.com sur Zénith FM
Après avoir passé l’hiver au Mexique, les papillons monarques (Danaus plexippus) remontent vers la région des Grands lacs, en Amérique du Nord. Mais quels individus ? Ceux qui ont quitté le Nord pour le Mexique l’année précédente et qui accomplissent ainsi un cycle complet de migration, ou la nouvelle génération née des œufs pondus sur le chemin vers le Nord,
Un Suédois (homme) peut espérer vivre 12 ans de plus qu’un Bulgare et surtout vivre en bonne santé 20 ans de plus qu’un Slovaque! Ces chiffres sont exemplaires des dernières données sur l’espérance de vie dans les 27 pays de l’Union Européenne. Elles révèlent de fortes disparités et montrent que dans les pays où l’on peut espérer vivre très vieux
De retour après une semaine de formation BAFA approfondissement « Jeux et animations du bord de mer» à Saint-Lunaire (35) au centre Bretagne-Emeraude avec la FSCF-BRETAGNE : Fédération Sportive et Culturelle de France. Ces 6 jours permettaient aux jeunes d’ acquérir (entre autres) des connaissances et des compétences d’animation relatives au bord de mer, notamment en écologie marine : –
Depuis une bonne dizaine d’années, les paléontologues savent qu’au moins un groupe de dinosaures était porteur de plumes tout comme les oiseaux – leurs lointains parents. Ces plumes ne servaient bien sûr pas à voler mais faisaient office d’isolant thermique. Jusqu’à présent on ne connaissait que des dinosaures de petite taille ainsi équipés. La découverte, publiée dans la revue Nature,
RÉVISIONS EXAMENS SVT DNB ET BAC
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