{"id":2452,"date":"2026-03-16T09:00:00","date_gmt":"2026-03-16T09:00:00","guid":{"rendered":"https:\/\/18kenglish.com\/?p=2452"},"modified":"2026-03-26T01:50:50","modified_gmt":"2026-03-26T01:50:50","slug":"coral-reefs-cities-under-the-sea-esl-worksheet-level-f-advanced","status":"publish","type":"post","link":"https:\/\/18kenglish.com\/fr\/recifs-coralliens-villes-sous-marines-fiche-dexercices-danglais-langue-seconde-niveau-avance-f\/","title":{"rendered":"R\u00e9cifs coralliens \u2013 Villes sous la mer | Fiche d&#039;exercices d&#039;anglais langue seconde niveau F (avanc\u00e9)"},"content":{"rendered":"<div style=\"background:#e3f2fd;border-left:4px solid #2196f3;padding:12px 16px;margin:20px 0;border-radius:4px;\">\ud83d\udcd8 <strong>Besoin d&#039;une version plus simple ?<\/strong> Essayez le <a href=\"https:\/\/18kenglish.com\/fr\/recifs-coralliens-villes-sous-la-mer-fiche-dexercices-danglais-langue-seconde-niveau-c-elementaire\/\"><strong>Version \u00e9l\u00e9mentaire (niveau C)<\/strong><\/a> de cette feuille de travail !<\/div>\n<p>Les r\u00e9cifs coralliens sont parmi les plus <strong>divers<\/strong> des \u00e9cosyst\u00e8mes sur notre plan\u00e8te, souvent appel\u00e9s les for\u00eats tropicales des mers. Bien qu&#039;ils couvrent moins d&#039;un pour cent du fond oc\u00e9anique, ils <strong>fournir<\/strong> Un habitat pour environ 25 % de toutes les esp\u00e8ces marines connues. Ces magnifiques fonds marins <strong>structures<\/strong> se trouvent dans des eaux chaudes et peu profondes. <strong>tropical<\/strong> les eaux proches de l&#039;\u00e9quateur, o\u00f9 la lumi\u00e8re vive du soleil peut facilement atteindre le fond de l&#039;oc\u00e9an et permettre la vie.<\/p>\n<p>Un r\u00e9cif corallien est construit par des millions de minuscules organismes. <strong>cr\u00e9atures<\/strong> appel\u00e9s polypes coralliens, ils se d\u00e9veloppent sur des centaines, voire des milliers d&#039;ann\u00e9es. Chaque polype produit un squelette externe rigide compos\u00e9 de carbonate de calcium, un mat\u00e9riau naturel. <strong>chimique<\/strong> Ce compos\u00e9 est pr\u00e9sent dans l&#039;eau de mer du monde entier. Lorsque les vieux polypes meurent, de nouveaux se d\u00e9veloppent sur leur squelette et ajoutent de nouvelles couches. Ce processus lent <strong>processus<\/strong> elle cr\u00e9e les formations r\u00e9cifales massives et color\u00e9es que les plongeurs explorent et que les scientifiques \u00e9tudient aujourd&#039;hui.<\/p>\n<p>Les polypes coralliens entretiennent une symbiose remarquable avec de minuscules organismes v\u00e9g\u00e9taux appel\u00e9s algues qui vivent \u00e0 l&#039;int\u00e9rieur de leur corps mou. Les algues <strong>produire<\/strong> Les algues se nourrissent de la lumi\u00e8re du soleil et partagent cette \u00e9nergie avec le corail h\u00f4te. En retour, le corail offre aux algues un lieu prot\u00e9g\u00e9 pour vivre et se d\u00e9velopper. Cette relation est essentielle car le corail <strong>d\u00e9pendre<\/strong> Ils tirent des algues jusqu&#039;\u00e0 90 % de leurs besoins \u00e9nerg\u00e9tiques, et aussi leurs magnifiques couleurs arc-en-ciel.<\/p>\n<p>Malheureusement, les r\u00e9cifs coralliens sont confront\u00e9s \u00e0 de graves probl\u00e8mes. <strong>menaces<\/strong> du fait des activit\u00e9s humaines et de l&#039;\u00e9volution rapide des conditions oc\u00e9aniques \u00e0 travers le monde. \u00c9l\u00e9vation du niveau de la mer <strong>temp\u00e9rature<\/strong> Le changement climatique provoque le d\u00e9part des algues, ce qui blanchit les coraux, un processus dangereux appel\u00e9 blanchiment. <strong>Pollution<\/strong> Les rejets des usines, des villes et des exploitations agricoles empoisonnent \u00e9galement les eaux des r\u00e9cifs et bloquent la lumi\u00e8re du soleil dont le corail a d\u00e9sesp\u00e9r\u00e9ment besoin pour survivre, cro\u00eetre et rester en bonne sant\u00e9.<\/p>\n<p>Les scientifiques et <strong>conservation<\/strong> Des groupes s&#039;efforcent d\u00e9sormais de prot\u00e9ger et de restaurer les r\u00e9cifs coralliens endommag\u00e9s avant qu&#039;il ne soit trop tard pour ces \u00e9cosyst\u00e8mes fragiles. Certains chercheurs cultivent avec soin de jeunes coraux dans des p\u00e9pini\u00e8res sous-marines sp\u00e9cialis\u00e9es, puis transplantent des fragments sains sur les zones r\u00e9cifales endommag\u00e9es. Les gouvernements ont \u00e9galement cr\u00e9\u00e9 des parcs marins o\u00f9 la p\u00eache et la navigation sont strictement r\u00e9glement\u00e9es afin de pr\u00e9server les r\u00e9cifs. <strong>r\u00e9cup\u00e9rer<\/strong>. Chacun peut contribuer en r\u00e9duisant la pollution, en \u00e9conomisant l&#039;\u00e9nergie et en apprenant davantage sur ces pr\u00e9cieuses cit\u00e9s sous-marines qui abritent une vie marine si riche.<\/p>\n<h3>\ud83d\udce5 T\u00e9l\u00e9charger la fiche de travail compl\u00e8te (PDF)<\/h3>\n<p style=\"text-align:center;\"><a href=\"https:\/\/tahricteaches.com\/wp-content\/uploads\/2026\/03\/coral-reefs-intermediate-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>\u2b07\ufe0f T\u00e9l\u00e9charger la fiche d&#039;exercices sur les r\u00e9cifs coralliens \u2013 niveau F (PDF)<\/strong><\/a><\/p>\n<h3>A. Vocabulaire<\/h3>\n<p>Associez chaque mot \u00e0 sa d\u00e9finition\u00a0:<\/p>\n<ol>\n<li>divers<\/li>\n<li>fournir<\/li>\n<li>structures<\/li>\n<li>tropical<\/li>\n<li>cr\u00e9atures<\/li>\n<li>chimique<\/li>\n<li>processus<\/li>\n<li>produire<\/li>\n<li>temp\u00e9rature<\/li>\n<li>conservation<\/li>\n<\/ol>\n<p>a. B\u00e2timents ou choses construites ou agenc\u00e9es b. Ayant de nombreux types ou sortes diff\u00e9rents c. Substance produite par la chimie d. Fournir quelque chose de n\u00e9cessaire e. Protection de la nature et de la faune f. \u00catres vivants, en particulier les animaux g. Relatif aux r\u00e9gions chaudes proches de l&#039;\u00e9quateur h. Temp\u00e9rature (chaud ou froid) i. S\u00e9rie d&#039;\u00e9tapes ou d&#039;actions j. Fabriquer ou cr\u00e9er quelque chose<\/p>\n<h3>B. Vrai ou faux<\/h3>\n<ol>\n<li>Les r\u00e9cifs coralliens recouvrent plus de dix pour cent du fond oc\u00e9anique.<\/li>\n<li>Les r\u00e9cifs coralliens se trouvent dans des eaux chaudes et peu profondes.<\/li>\n<li>Les polypes coralliens produisent un squelette externe rigide.<\/li>\n<li>Les algues vivent \u00e0 l&#039;int\u00e9rieur des polypes coralliens.<\/li>\n<li>Les coraux d\u00e9pendent des algues pour leur \u00e9nergie.<\/li>\n<li>L&#039;augmentation de la temp\u00e9rature des oc\u00e9ans favorise la croissance des coraux.<\/li>\n<li>Le blanchiment rend le corail blanc.<\/li>\n<li>La pollution peut emp\u00eacher la lumi\u00e8re du soleil d&#039;atteindre les coraux.<\/li>\n<li>Certains scientifiques cultivent du corail dans des p\u00e9pini\u00e8res sous-marines.<\/li>\n<\/ol>\n<h3>C. Remplissez les blancs<\/h3>\n<p><strong>Banque de mots\u00a0:<\/strong> diversifi\u00e9, fournir, structures, tropical, chimique, temp\u00e9rature, conservation<\/p>\n<ol>\n<li>Les r\u00e9cifs coralliens figurent parmi les \u00e9cosyst\u00e8mes les plus _______________ de la plan\u00e8te.<\/li>\n<li>Les r\u00e9cifs abritent vingt-cinq pour cent de toutes les esp\u00e8ces marines.<\/li>\n<li>Ces magnifiques cr\u00e9atures sous-marines se trouvent dans les eaux chaudes.<\/li>\n<li>Les polypes coralliens produisent un squelette compos\u00e9 d&#039;un _______________ naturel.<\/li>\n<li>La mont\u00e9e des eaux _______________ provoque le blanchiment des coraux.<\/li>\n<\/ol>\n<h3>D. Questions de compr\u00e9hension<\/h3>\n<ol>\n<li>Quel pourcentage des esp\u00e8ces marines d\u00e9pendent des r\u00e9cifs coralliens ?<\/li>\n<li>Comment les polypes coralliens construisent-ils un r\u00e9cif au fil du temps\u00a0?<\/li>\n<li>Quelle est la relation entre les coraux et les algues ?<\/li>\n<li>Quelles sont les causes du blanchiment des coraux\u00a0?<\/li>\n<li>Comment les scientifiques s&#039;y prennent-ils pour prot\u00e9ger les r\u00e9cifs coralliens ?<\/li>\n<\/ol>\n<h3>E. Questions de discussion<\/h3>\n<ol>\n<li>Pourquoi, \u00e0 votre avis, les r\u00e9cifs coralliens sont-ils appel\u00e9s les for\u00eats tropicales de la mer\u00a0?<\/li>\n<li>Que deviendrait la vie oc\u00e9anique si tous les r\u00e9cifs coralliens disparaissaient ?<\/li>\n<li>Que peuvent faire les gens ordinaires pour aider \u00e0 sauver les r\u00e9cifs coralliens ?<\/li>\n<\/ol>\n<hr>\n<p><em>Source : Programme de conservation des r\u00e9cifs coralliens de la NOAA | \u00a9 18K English<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>\ud83d\udcd8 Besoin d&#039;une version plus facile\u00a0? Essayez la version \u00e9l\u00e9mentaire (niveau C) de cette fiche d&#039;exercices\u00a0! Les r\u00e9cifs coralliens font partie\u2026<\/p>","protected":false},"author":1,"featured_media":2450,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[252],"tags":[600,362,356,268,351,245,290,602,593,515,594,601],"class_list":["post-2452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-worksheets","tag-advanced","tag-conservation","tag-coral-reef","tag-esl-worksheet","tag-marine-life","tag-vocabulary","tag-290","tag-602","tag-593","tag-515","tag-594","tag-601"],"taxonomy_info":{"category":[{"value":252,"label":"Worksheets"}],"post_tag":[{"value":600,"label":"advanced"},{"value":362,"label":"conservation"},{"value":356,"label":"coral 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