{"version":"1.0","provider_name":"AFRIK Management","provider_url":"https:\/\/afrikmanagement.com","author_name":"admin","author_url":"https:\/\/afrikmanagement.com\/index.php\/author\/wxrmg2xuqd\/","title":"Autotrophe : qu'est-ce que c'est ? - AFRIK Management","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"SnQAtURTXz\"><a href=\"https:\/\/afrikmanagement.com\/index.php\/2023\/10\/23\/autotrophe-quest-ce-que-cest\/\">Autotrophe : qu&#8217;est-ce que c&#8217;est ?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/afrikmanagement.com\/index.php\/2023\/10\/23\/autotrophe-quest-ce-que-cest\/embed\/#?secret=SnQAtURTXz\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Autotrophe : qu&#8217;est-ce que c&#8217;est ?\u00a0\u00bb &#8212; AFRIK Management\" data-secret=\"SnQAtURTXz\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/afrikmanagement.com\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/afrikmanagement.com\/wp-content\/uploads\/2023\/10\/telechargement-83-1.jpeg","thumbnail_width":259,"thumbnail_height":194,"description":"Un organisme autotrophe est un organisme capable de g\u00e9n\u00e9rer sa propre\u00a0mati\u00e8re\u00a0organique \u00e0 partir d&#8217;\u00e9l\u00e9ments\u00a0min\u00e9raux. Il utilise pour cela l&#8217;\u00e9nergie\u00a0lumineuse soit par\u00a0photosynth\u00e8se, soit par\u00a0chimiosynth\u00e8se\u00a0chez quelques esp\u00e8ces. Le processus d&#8217;autotrophie L&#8217;autotrophie\u00a0se limite aux v\u00e9g\u00e9taux chlorophylliens, aux\u00a0cyanobact\u00e9ries\u00a0et \u00e0 quelques\u00a0bact\u00e9ries. Le plus souvent, l&#8217;\u00e9nergie lumineuse sert \u00e0 la synth\u00e8se de\u00a0glucides\u00a0\u00e0 partir de dioxyde de carbone et d&#8217;eau. Les cellules v\u00e9g\u00e9tales disposent d&#8217;organites\u00a0particuliers, les\u00a0chloroplastes. Ceux-ci contiennent la chlorophylle et sont ainsi n\u00e9cessaires aux processus d&#8217;autotrophie. Certaines bact\u00e9ries recourent quant \u00e0 elles au\u00a0sulfure d&#8217;hydrog\u00e8ne\u00a0ou au\u00a0dihydrog\u00e8ne\u00a0en lieu et place de l&#8217;eau tandis que de rares esp\u00e8ces\u00a0extr\u00eamophiles\u00a0vivant dans des\u00a0sources hydrothermales\u00a0tirent leur \u00e9nergie de\u00a0r\u00e9actions chimiques\u00a0de leur environnement. Les organismes [&hellip;]"}