{"id":45816,"date":"2026-10-12T08:35:00","date_gmt":"2026-10-12T06:35:00","guid":{"rendered":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/?p=45816"},"modified":"2026-10-13T07:36:05","modified_gmt":"2026-10-13T05:36:05","slug":"dismoipourquoi-a-quoi-servent-les-mouches","status":"publish","type":"post","link":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/2026\/10\/12\/dismoipourquoi-a-quoi-servent-les-mouches\/","title":{"rendered":"[#DisMoiPourquoi] \u00e0 quoi servent les mouches ?"},"content":{"rendered":"<div class=\"intext\"> Marina, 13 ans, en 4e au coll\u00e8ge du pays de Banon\n              <\/div>\n<div class=\"paragraph\">\n<p>Personne ne s\u2019en doute, mais je peux te dire que les mouches ont une tr\u00e8s grande utilit\u00e9 dans la nature car elles recyclent la mati\u00e8re organique morte. Tu as remarqu\u00e9 que gr\u00e2ce \u00e0 leur odorat tr\u00e8s d\u00e9velopp\u00e9, elles sont attir\u00e9es tr\u00e8s vite par tout ce qui est tr\u00e8s odorant\u00a0: les crottes d\u2019animaux, les cadavres, la viande, les fruits, etc. Chaque esp\u00e8ce de mouche (et il y en a des centaines de milliers) a son propre r\u00e9gime alimentaire.<\/p>\n<p>Les adultes pondent dans la mati\u00e8re organique de minuscules \u0153ufs qui vont \u00e9clore sous la forme de vers (les asticots). Ces vers sont tr\u00e8s voraces et ing\u00e8rent une quantit\u00e9 \u00e9norme de nourriture par rapport \u00e0 leur taille. Ils transforment ainsi ce qui est mort en mati\u00e8re vivante. Ils sont comme les mouches adultes tr\u00e8s tr\u00e8s nombreux et constituent ainsi la base alimentaire de nombreux pr\u00e9dateurs (oiseaux, batraciens, petits reptiles, chauves-souris et une multitude d\u2019insectes et araign\u00e9es).<\/p>\n<p>Les mouches sont donc indispensables au fonctionnement de la nature, par leur capacit\u00e9 \u00e0 recycler la mati\u00e8re organique morte et en servant de garde-manger \u00e0 d\u2019innombrables animaux. Vive les mouches\u00a0!\u00a0\u00bb<\/p>\n<\/p><\/div>\n<div class=\"paragraph\">\n<p><b>J\u00e9r\u00f4me ORGEAS Ma\u00eetre de conf\u00e9rences en \u00e9cologie et entomologiste \u00e0 Aix Marseille Universit\u00e9 et \u00e0 l\u2019Imbe.<\/b><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"Personne ne s&rsquo;en doute, mais je peux te dire que les mouches ont une tr&egrave;s grande utilit&eacute; dans la nature car elles recyclent la mati&egrave;re organique morte. Tu as remarqu&eacute; que gr&acirc;ce &agrave; leur odorat tr&egrave;s &#8230;","protected":false},"author":1,"featured_media":45817,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[918,3926,3925,20],"tags":[2543,4768,4467,1617,1434,6573,377,172,1946,1058,3221],"news-destination":[3944],"news-source":[475],"is_homepage":[],"ta_other":[],"class_list":["post-45816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-accueil","category-accueil-merge","category-accueil-third","category-societe","tag-dismoipourquoi","tag-alpes","tag-alpes-de-haute-provence","tag-amu","tag-ecologie","tag-imbe","tag-insectes","tag-les-petits-debrouillards","tag-questions","tag-science","tag-universite-aix-marseille","news-destination-homepage","news-source-website"],"_links":{"self":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/45816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/comments?post=45816"}],"version-history":[{"count":1,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/45816\/revisions"}],"predecessor-version":[{"id":45818,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/45816\/revisions\/45818"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media\/45817"}],"wp:attachment":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media?parent=45816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/categories?post=45816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/tags?post=45816"},{"taxonomy":"news-destination","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-destination?post=45816"},{"taxonomy":"news-source","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-source?post=45816"},{"taxonomy":"is_homepage","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/is_homepage?post=45816"},{"taxonomy":"ta_other","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/ta_other?post=45816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}