{"id":8338,"date":"2023-11-08T14:49:00","date_gmt":"2023-11-08T13:49:00","guid":{"rendered":"https:\/\/exos.education\/fr\/exercice-sciences-ecosystems-niveau-ce2\/"},"modified":"2023-08-21T14:54:58","modified_gmt":"2023-08-21T13:54:58","slug":"exercice-sciences-ecosystems-niveau-ce2","status":"publish","type":"post","link":"https:\/\/exos.education\/fr\/exercice-sciences-ecosystems-niveau-ce2\/","title":{"rendered":"Exercice Sciences \u00c9cosystems Niveau CE2"},"content":{"rendered":"<p>Points importants du cours :<br \/>1. Un \u00e9cosyst\u00e8me est un environnement comprenant des interactions entre les organismes vivants et non-vivants.<br \/>2. Les composants d\u2019un \u00e9cosyst\u00e8me comprennent les producteurs (plantes), les consommateurs (animaux) et les d\u00e9composeurs (bact\u00e9ries, champignons).<br \/>3. Chaque organisme a un r\u00f4le \u00e0 jouer pour maintenir l\u2019\u00e9quilibre de l\u2019\u00e9cosyst\u00e8me.<br \/>4. La pollution, le changement climatique, la destruction des habitats menacent cet \u00e9quilibre <img decoding=\"async\" draggable=false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f30e.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f98a.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f343.svg\">.<\/p>\n<p>Consignes pour l&rsquo;exercice:<br \/>Lisez attentivement chaque question avant de cocher la bonne r\u00e9ponse. Souvenez-vous que dans un QCMil n&rsquo;y a qu&rsquo;une seule bonne r\u00e9ponse \u00e0 chaque question.<\/p>\n<p>QCM:<\/p>\n<p><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"1\ufe0f\u20e3\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/31-20e3.svg\"> Qu&rsquo;est-ce qui fait partie d&rsquo;un \u00e9cosyst\u00e8me?<br \/>a) Les animaux uniquement<br \/>b) L&rsquo;eau seulement<br \/>c) Les plantesanimaux et leur habitat<\/p>\n<p><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"2\ufe0f\u20e3\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/32-20e3.svg\"> Qui sont les principaux producteurs dans un \u00e9cosyst\u00e8me terrestre ?<br \/>a) Les loups<br \/>b) Les arbres<br \/>c) Les champignons<\/p>\n<p><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"3\ufe0f\u20e3\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/33-20e3.svg\"> Que fait une plante pour maintenir l&rsquo;\u00e9quilibre de l&rsquo;\u00e9cosyst\u00e8me ?<br \/>a) Elles produisent de l&rsquo;oxyg\u00e8ne <br \/>b) Elles mangent des insectes <br \/>c) Elles font du bruit <\/p>\n<p><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"4\ufe0f\u20e3\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/34-20e3.svg\"> Quelle est une menace s\u00e9rieuse pour les \u00e9cosyst\u00e8mes actuellement?<br \/>a ) L&rsquo;\u00e9volution naturelle <br \/>b ) Le jeu vid\u00e9o  excessif   <br \/>c ) Le changement climatique et la pollution <\/p>\n<p>R\u00e9ponses:<br \/>1-c ; 2-b ; 3-a ; 4-c.<\/p>\n<p>Cet exercice porte sur une compr\u00e9hension approfondie des concepts cl\u00e9s li\u00e9s aux \u00e9cosystems. Il combine diff\u00e9rentes comp\u00e9tences comme lire attentivement une questioncomprendre le vocabulaire scientifique et faire appel \u00e0 ses connaissances pr\u00e9alables <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\u26a1\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/26a1.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f4a1.svg\">.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Points importants du cours :1. Un \u00e9cosyst\u00e8me est un environnement comprenant des interactions entre les organismes vivants et non-vivants.2. Les composants d\u2019un \u00e9cosyst\u00e8me comprennent les producteurs (plantes), les consommateurs (animaux) et les d\u00e9composeurs (bact\u00e9ries, champignons).3. Chaque organisme a un r\u00f4le \u00e0 jouer pour maintenir l\u2019\u00e9quilibre de l\u2019\u00e9cosyst\u00e8me.4. La pollution, le changement climatique, la destruction des [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":10157,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[8,15,5,4,318,1],"tags":[],"class_list":["post-8338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciences","category-ce2","category-niveaux","category-matieres","category-pas-dadaptation-particuliere","category-exercices-pedagogiques-imprimables-et-gratuits"],"_links":{"self":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts\/8338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/comments?post=8338"}],"version-history":[{"count":0,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts\/8338\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/media\/10157"}],"wp:attachment":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/media?parent=8338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/categories?post=8338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/tags?post=8338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}