Connaissez-vous Amborella ?

Dans le cadre d’un consortium international, l’IRD, le CNRS, l’INRA-AgroParisTech, l’Institut agronomique néo-calédonien (IAC) et l’université de la Nouvelle-Calédonie (UNC) ont publié le 20 décembre 2013 dans la revue Science

Actu-sciences

Un ancêtre carnivore, transparent et gélatineux ?

Dans l’histoire du règne animal, notre cousin le plus ancien n’était ni une éponge, ni une anémone de mer, mais un cténophore : un petit carnivore marin, transparent et gélatineux.

3ème

La greffe de poumon

Sources Wikipédia Doctissimo FranceAdot Dondorganes.fr –> Les conseils pour réussir ses recherches en SVT 3ème.

Actu-sciences

Des molécules de synthèse bloquant le SIDA

Pour la première fois au monde, ces chercheurs ont réussi à synthétiser, en laboratoire, des molécules capables de se fixer sur le matériel génétique du virus du SIDA, et d’agir

4ème

Prévention des risques géologiques – Cours de SVT

Chapitre 4 : prévention des risques sismiques et volcaniques Que recouvre la notion de risque ? Comment limiter les risques ? I – La notion de risque Fiche documents Le

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