{"id":1991,"date":"2021-08-16T15:53:29","date_gmt":"2021-08-16T13:53:29","guid":{"rendered":"http:\/\/thibault-svt.fr\/?page_id=1991"},"modified":"2021-08-16T16:14:03","modified_gmt":"2021-08-16T14:14:03","slug":"definitions-chapitre-1","status":"publish","type":"page","link":"http:\/\/thibault-svt.fr\/index.php\/secondes\/cours-de-svt-2nde\/chapitre-1-decrire-les-etres-vivants-a-differentes-echelles\/definitions-chapitre-1\/","title":{"rendered":"D\u00e9finitions Chapitre 1"},"content":{"rendered":"<p><span style=\"color: #ff00ff;\"><strong><u>D\u00e9finitions. <\/u><\/strong><\/span><\/p>\n<ul>\n<li><strong><u>ORGANISME : <\/u><\/strong>\u00catre vivant.   Le mot organisme d\u00e9signe \u00e0 l&rsquo;origine, l&rsquo;ensemble des organes d&rsquo;un \u00eatre vivant, mais, par extension, on l&rsquo;utilise pour d\u00e9signer l&rsquo;\u00eatre vivant entier.<br \/>\n<em><em>Exemple : Un humain est un organisme.  Un rosier est un organisme. Une bact\u00e9rie est un organisme &#8230;<\/em><\/em>&nbsp;<\/li>\n<li><strong><u>ORGANE : <\/u><\/strong>Partie d\u2019un organisme vivant qui remplit une ou plusieurs fonctions bien pr\u00e9cises. Un organe peut \u00eatre form\u00e9 d&rsquo;un ou de plusieurs tissus diff\u00e9rents.<br \/>\n<em><em>Exemple : C\u0153ur, \u0153il, poumon.   Feuille, racine, \u00e9tamine.<\/em><\/em>&nbsp;<\/li>\n<li><strong><u>TISSU : <\/u><\/strong>Ensemble de cellules ayant une m\u00eame fonction. Diff\u00e9rents tissus s\u2019assemblent pour former un organe.<br \/>\n<em><em>Exemple : Tissu musculaire (form\u00e9 de cellules musculaires), \u00e9piderme.<\/em><\/em>&nbsp;<\/li>\n<li><strong><u>CELLULE : <\/u><\/strong>Unit\u00e9 structurale de tous les \u00eatres vivants. Les cellules peuvent \u00eatre assembl\u00e9es en tissus (chez les organismes pluricellulaires) ou \u00eatre isol\u00e9es<\/li>\n<li><strong><u>ORGANITE : <\/u><\/strong>Structures pr\u00e9sentes \u00e0 l\u2019int\u00e9rieur de certaines cellules et qui leur permettent de r\u00e9aliser une fonction pr\u00e9cise.<br \/>\n<em><em>Exemple : Mitochondrie, chloroplaste, m\u00e9lanosome &#8230;<\/em><\/em>&nbsp;<\/li>\n<li><strong><u>MOLECULE : <\/u><\/strong>Une mol\u00e9cule est un assemblage d\u2019au moins 2 atomes.<br \/>\n<em><em>Exemple : Eau (H<sub>2<\/sub>O) , glucose (C<sub>6<\/sub> H<sub>12<\/sub> O<sub>6<\/sub>), Dioxyg\u00e8ne (0<sub>2)<\/sub><\/em><\/em>&nbsp;<\/li>\n<li><strong><u>ATOME : <\/u><\/strong>Sph\u00e8res qui forment toute la mati\u00e8re vivante.<br \/>\n<em>Exemple : Carbone, Hydrog\u00e8ne, Oxyg\u00e8ne, Azote<\/em><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9finitions. ORGANISME : \u00catre vivant. Le mot organisme d\u00e9signe \u00e0 l&rsquo;origine, l&rsquo;ensemble des organes d&rsquo;un \u00eatre vivant, mais, par extension, on l&rsquo;utilise pour d\u00e9signer l&rsquo;\u00eatre vivant entier. Exemple : Un humain est un organisme. Un rosier est un organisme. Une bact\u00e9rie est un organisme &#8230;&nbsp; ORGANE : Partie d\u2019un organisme vivant qui remplit une ou [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1635,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width-page-template.php","meta":{"footnotes":""},"class_list":["post-1991","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>D\u00e9finitions Chapitre 1 - SVT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/thibault-svt.fr\/index.php\/secondes\/cours-de-svt-2nde\/chapitre-1-decrire-les-etres-vivants-a-differentes-echelles\/definitions-chapitre-1\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9finitions Chapitre 1 - SVT\" \/>\n<meta property=\"og:description\" content=\"D\u00e9finitions. 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