{"id":83,"date":"2024-04-04T14:34:04","date_gmt":"2024-04-04T12:34:04","guid":{"rendered":"https:\/\/mruizsvt.fr\/?page_id=83"},"modified":"2025-03-05T10:00:17","modified_gmt":"2025-03-05T09:00:17","slug":"activite-6","status":"publish","type":"page","link":"https:\/\/mruizsvt.fr\/index.php\/3-eme\/chapitre-3-evolution-des-especes\/activite-6\/","title":{"rendered":"2.1 Activit\u00e9 : Les origines communes des \u00eatres vivants"},"content":{"rendered":"\n<p><span style=\"text-decoration: underline;\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\">VI) L\u2019\u00e9volution des esp\u00e8ces au cours des temps g\u00e9ologiques<\/mark><\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\">A) Les origines communes des \u00eatres vivants<\/mark><\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-4-color\">Quels sont les arguments en faveur d\u2019une origine commune des esp\u00e8ces&nbsp;?<\/mark><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Exercice &amp; Correction &amp; Bilan<\/p>\n<\/blockquote>\n\n\n\n<p>1. Donnez les arguments en faveur d\u2019une origine commune au \u00eatres vivants<br>(page 276-277)<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<ol class=\"wp-block-list\" style=\"list-style-type:upper-roman\">\n<li><\/li>\n<\/ol>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\">Bilan&nbsp;: Les organismes vivants pr\u00e9sentent de nombreux <strong>points communs<\/strong>&nbsp;: ils sont tous constitu\u00e9s de <strong>cellules <\/strong>et d\u2019<strong>ADN.<\/strong> Ceci traduit <strong>la parent\u00e9, c\u2019est \u00e0 dire l\u2019origine commune de tous les \u00eatres vivants.<\/strong><\/mark><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>2. Que nous montre la comparaison du membre ant\u00e9rieur du pigeon, de la chauve souris, de l\u2019otarie et de l\u2019ophianodon. (Activit\u00e9 4 page 291)<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"1\">\n<li><\/li>\n<\/ol>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\">La comparaison des <strong>plans d\u2019organisation<\/strong> des Vert\u00e9br\u00e9s r\u00e9v\u00e8le des <strong>similitudes frappantes<\/strong>.<\/mark><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>3. Pr\u00e9senter les arguments qui montrent que les oiseaux et les dinosaures ont une origine commune.<br>(page 274-275)<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\">Une nouvelle esp\u00e8ce poss\u00e8de des caract\u00e8res ancestraux communs, accumul\u00e9s avec celle qui la pr\u00e9c\u00e8de et dont elle serait issue et pr\u00e9sente aussi des caract\u00e8res nouveaux.<br><strong>Un arbre phylog\u00e9n\u00e9tique<\/strong> retrace cette histoire \u00e9volutive.<\/mark><\/p>\n","protected":false},"excerpt":{"rendered":"<p>VI) L\u2019\u00e9volution des esp\u00e8ces au cours des temps g\u00e9ologiques A) Les origines communes des \u00eatres vivants Quels sont les arguments en faveur d\u2019une origine commune des esp\u00e8ces&nbsp;? Exercice &amp; Correction &amp; Bilan 1. Donnez les arguments en faveur d\u2019une origine commune au \u00eatres vivants(page 276-277) Bilan&nbsp;: Les organismes vivants pr\u00e9sentent de nombreux points communs&nbsp;: ils [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":62,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-83","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/comments?post=83"}],"version-history":[{"count":8,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/83\/revisions"}],"predecessor-version":[{"id":124,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/83\/revisions\/124"}],"up":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/62"}],"wp:attachment":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/media?parent=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}