Chronique radio sur le muguet 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.
Chronique radio sur le muguet LA FICHE SUR LE MUGUET Toutes les chroniques VivelesSVT.com sur Zénith FM
Depuis dix jours, la forêt qui entoure la centrale nucléaire de Tchernobyl brûle. 20.000 hectares ont été réduits en cendre et des éléments radioactifs remis en suspension dans l’air. Mais l’impact sanitaire serait négligeable selon l’Institut de radioprotection et de sûreté nucléaire (IRSN). Lire la suite.
Chapitre 5 : les enzymes, des biomolécules aux propriétés catalytiques Qu’est-ce qu’une enzyme ? Comment les enzymes participent à la vie cellulaire ? I – Introduction aux enzymes A/ Définition des enzymes – Les enzymes en tant que protéines catalytiques – Leur rôle dans le métabolisme cellulaire B/ Les réactions chimiques dans le métabolisme – Comprendre les réactions chimiques qui
Chapitre 3 : l’histoire humaine lue dans son génome Que nous apprend la diversité génétique sur l’histoire de l’espèce humaine ? Retour à la page « Transmission, variation et expression du patrimoine génétique »
Chapitre 1 : l’érosion des roches Comment les paysages sont-ils façonnés au cours du temps ? I – La modification des paysages Livre p 110 111 Travail : à partir des documents des pages 110 111, donnez le nom et le mode d’action des agents d’érosion pour chacun des paysages illustrés dans un tableau judicieusement construit. Bilan : l’altération et
Chapitre 5 : Communication intra-spécifique et sélection sexuelle En quoi la communication entre individus participe-t-elle à la sélection naturelle ? I – La communication chez les animaux A/ Le chant des canaris Activité en ligne – sonagramme = représentation graphique à trois dimensions (temps, fréquences, intensité) des composants acoustiques d’un signal de parole ou de chant B/ La danse des
Comment s’effectue la transformation des déchets organiques dans le composteur ? Les êtres vivants des différents écosystèmes sont responsables des transformations de la matière : les petits animaux, les microorganismes, fragmentent, décomposent et produisent de la matière minérale qui sera utilisée par les végétaux. Voir l’émission en ligne Accéder au document de la vidéo Accéder au cours de SVT sur
RÉVISIONS EXAMENS SVT DNB ET BAC
Cookie | Durée | Description |
---|---|---|
cookielawinfo-checkbox-advertisement | 1 year | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Advertisement". |
cookielawinfo-checkbox-analytics | 1 year | This cookies is set by GDPR Cookie Consent WordPress Plugin. The cookie is used to remember the user consent for the cookies under the category "Analytics". |
cookielawinfo-checkbox-necessary | 1 year | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
cookielawinfo-checkbox-performance | 1 year | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
PHPSESSID | session | This cookie is native to PHP applications. The cookie is used to store and identify a users' unique session ID for the purpose of managing user session on the website. The cookie is a session cookies and is deleted when all the browser windows are closed. |
SERVERID | This cookie is used to assign the user to a specific server, thus to provide a improved and faster server time. It remembers which server had delivered the last page on to the browser. It also helps in load balancing. |
Cookie | Durée | Description |
---|---|---|
currency | 1 hour | This cookie is used to store the currency preference of the user. |
lang | This cookie is used to store the language preferences of a user to serve up content in that stored language the next time user visit the website. |
Cookie | Durée | Description |
---|---|---|
YSC | session | This cookies is set by Youtube and is used to track the views of embedded videos. |
__utma | 2 years | This cookie is set by Google Analytics and is used to distinguish users and sessions. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
__utmb | 30 minutes | The cookie is set by Google Analytics. The cookie is used to determine new sessions/visits. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
__utmc | session | The cookie is set by Google Analytics and is deleted when the user closes the browser. The cookie is not used by ga.js. The cookie is used to enable interoperability with urchin.js which is an older version of Google analytics and used in conjunction with the __utmb cookie to determine new sessions/visits. |
__utmt | 10 minutes | The cookie is set by Google Analytics and is used to throttle request rate. |
__utmz | 6 months | This cookie is set by Google analytics and is used to store the traffic source or campaign through which the visitor reached your site. |
Cookie | Durée | Description |
---|---|---|
IDE | 1 year 24 days | Used by Google DoubleClick and stores information about how the user uses the website and any other advertisement before visiting the website. This is used to present users with ads that are relevant to them according to the user profile. |
OAGEO | session | This cookie is set by the provider OpenX. This cookie is used for advertising campaigns on the website. The cookie helps in avoiding the same ad showing repeatedly. |
OAID | 1 year | This cookie is set when an AdsWizz website visitor have opted out the collection of information by AdsWizz service or opted to disable the targeted ads by AdsWizz. |
test_cookie | 15 minutes | This cookie is set by doubleclick.net. The purpose of the cookie is to determine if the user's browser supports cookies. |
VISITOR_INFO1_LIVE | 5 months 27 days | This cookie is set by Youtube. Used to track the information of the embedded YouTube videos on a website. |
Cookie | Durée | Description |
---|---|---|
CONSENT | 16 years 8 months 19 days 4 hours | No description |
cookielawinfo-checkbox-functional | 1 year | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
cookielawinfo-checkbox-others | 1 year | No description |
corpus | No description | |
fb_sessiontraffic | 20 minutes | No description |
pathway | 20 minutes | No description |
SRV | No description | |
TS011556a6 | No description | |
visitor | 1 year | No description |