{"id":1634,"date":"2019-10-03T15:25:19","date_gmt":"2019-10-03T13:25:19","guid":{"rendered":"http:\/\/evoluscience.fr\/?page_id=1634"},"modified":"2026-03-23T18:53:13","modified_gmt":"2026-03-23T17:53:13","slug":"4e-le-vivant","status":"publish","type":"page","link":"https:\/\/www.evoluscience.fr\/index.php\/cycle-4\/quatrieme-2\/4e-le-vivant\/","title":{"rendered":"4e &#8211; Le Vivant"},"content":{"rendered":"\n<div id=\"wp-block-themeisle-blocks-advanced-columns-4efd412d\" class=\"wp-block-themeisle-blocks-advanced-columns has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-equal-layout has-vertical-unset\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-bfa4d664\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<div class=\"wp-block-media-text alignwide\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/evoluscience.fr\/wp-content\/uploads\/2019\/09\/rainette_bleu.jpg\" alt=\"\" class=\"wp-image-249 size-full\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/rainette_bleu.jpg 600w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/rainette_bleu-150x150.jpg 150w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/rainette_bleu-300x300.jpg 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/rainette_bleu-520x520.jpg 520w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-text-color has-large-font-size\" style=\"color:#00629b\">      Le Vivant<\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-drop-cap\"><em>Bastien et Chlo\u00e9 se rendent\ncompte qu\u2019autour d\u2019eux il y a une multitude d\u2019\u00eatres vivants interagissant les\nuns avec les autres. Il existe un certain \u00e9quilibre dans le vivant. Ils\ntrouvent un article scientifique qui les interpelle.<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;<\/em><strong>Ces chercheurs<\/strong> (Ron Milo et Ron Sender de l\u2019Institut\ndes sciences Weizman (Rehovot, Isra\u00ebl) )estiment que le nombre total de\nbact\u00e9ries h\u00e9berg\u00e9es par un \u00ab&nbsp;homme de r\u00e9f\u00e9rence&nbsp;\u00bb (comprendre un \u00eatre\nhumain \u00e2g\u00e9 de 20 \u00e0 30 ans, pesant 70 kg et mesurant 1,70 m) est de 3,9.10<sup>13<\/sup>,\navec une marge d\u2019erreur de 25 %. Au total, les cellules sanguines\nrepr\u00e9senteraient environ 90 % de la totalit\u00e9 des cellules du corps humain. Un\nhomme standard serait, lui, compos\u00e9 de 3.10<sup>13<\/sup> cellules, autrement\ndit de 30 mille milliards ou encore 30 billions de cellules, l\u00e0 encore avec une\nmarge d\u2019incertitude de 2 %.&nbsp;\u00bb<\/p>\n\n\n\n<p class=\"has-text-align-right\">D\u2019apr\u00e8s <a href=\"http:\/\/biomedicales.blogs.sciencesetavenir.fr\/archive\/2016\/01\/11\/combien-le-corps-humain-renferme-t-il-de-bacteries-23417.html\">http:\/\/biomedicales.blogs.sciencesetavenir.fr\/archive\/2016\/01\/11\/combien-le-corps-humain-renferme-t-il-de-bacteries-23417.html<\/a><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-vivid-green-cyan-color has-text-color\"><strong>Quelles interactions existe-il entre les \u00eatres vivants&nbsp;?<\/strong><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><a href=\"https:\/\/evoluscience.fr\/index.php\/cycle-4\/quatrieme-2\/4e-le-vivant\/chapitre-1-la-particularite-dune-espece\/\">Chapitre 1 &#8211; La particularit\u00e9 d&rsquo;une esp\u00e8ce<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/evoluscience.fr\/index.php\/cycle-4\/quatrieme-2\/4e-le-vivant\/chapitre-2-la-diversite-des-interactions-interspecifiques\/\">Chapitre 2 &#8211; La diversit\u00e9 des interactions intersp\u00e9cifiques<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/evoluscience.fr\/index.php\/cycle-4\/quatrieme-2\/4e-le-vivant\/chapitre-3-les-interactions-intraspecifiques-dans-la-reproduction-sexuee\/\">Chapitre 3 &#8211; Les interactions intrasp\u00e9cifiques dans la reproduction sexu\u00e9e<\/a><\/p>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Acc\u00e8s aux cours de SVT<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Acc\u00e8s aux cours de SVT<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1343,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-1634","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/1634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/comments?post=1634"}],"version-history":[{"count":0,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/1634\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/1343"}],"wp:attachment":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/media?parent=1634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}