{"id":178,"date":"2013-04-02T18:25:13","date_gmt":"2013-04-02T17:25:13","guid":{"rendered":"http:\/\/www.logobio.fr\/?p=178"},"modified":"2015-09-10T22:57:24","modified_gmt":"2015-09-10T21:57:24","slug":"reproduction-sexuee-et-maintien-des-especes-dans-les-milieux","status":"publish","type":"post","link":"https:\/\/www.logobio.fr\/?p=178","title":{"rendered":"Reproduction sexu\u00e9e et maintien des esp\u00e8ces dans les milieux"},"content":{"rendered":"<p style=\"text-align: left;\" align=\"CENTER\">Rappels des ann\u00e9es pr\u00e9c\u00e9dentes :<\/p>\n<ul>\n<li style=\"text-align: left;\"><span style=\"color: #339966;\">Comment d\u00e9finit-on une esp\u00e8ce ?<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"color: #339966;\">Pourquoi les chiens ne peuvent pas avoir de descendances avec des chats ?<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"color: #339966;\">Comment obtient-on des graines chez les plantes \u00e0 fleurs ?<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"color: #339966;\">Compl\u00e8te le document ci dessous ( l\u00e9gende et titre )<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.logobio.fr\/wp-content\/uploads\/2015\/09\/cycle-grenouille.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1071\" src=\"https:\/\/www.logobio.fr\/wp-content\/uploads\/2015\/09\/cycle-grenouille.gif\" alt=\"cycle-grenouille\" width=\"600\" height=\"441\" \/><\/a><\/p>\n<h3 style=\"text-align: left;\" align=\"CENTER\"><span style=\"color: #339966;\">Comment les \u00eatres vivants se reproduisent-ils ?<\/span><\/h3>\n<h1><strong><span style=\"color: #666699;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"text-decoration: underline;\">I\/ Etude de la reproduction sexu\u00e9e<\/span><\/span><\/span><\/strong><\/h1>\n<p>&nbsp;<\/p>\n<h2><b><span style=\"color: #666699; font-family: 'Comic Sans MS', serif; font-size: medium;\"><u>A\/ eTUDE DE LA REPRODUCTION\u00a0<\/u><span style=\"line-height: 24px;\"><u>SEXU\u00c9E<\/u><\/span><u>\u00a0CHEZ CERTAINS\u00a0<\/u><\/span><\/b><span style=\"color: #666699; font-family: 'Comic Sans MS', serif; font-size: medium;\"><span style=\"line-height: 24px;\"><b><u>V\u00c9G\u00c9TAUX<\/u><\/b><\/span><\/span><\/h2>\n<p>document :\u00a0<a href=\"http:\/\/www.biologieenflash.net\/animation.php?ref=bio-0018-4\">Fonctionnement de la reproduction sexu\u00e9e d&rsquo;une plante \u00e0 fleurs<\/a><\/p>\n<ul>\n<li><strong><span style=\"color: #993366;\">R\u00e9sume \u00e0 l&rsquo;aide d&rsquo;un texte les diff\u00e9rentes \u00e9tapes permettant l&rsquo;obtention d&rsquo;une graine.<\/span><\/strong><\/li>\n<li><span style=\"color: #993366;\"><b>construire un sch\u00e9ma r\u00e9capitulatif (titre \u00a0et l\u00e9gendes)<\/b><\/span><\/li>\n<\/ul>\n<p>pour info :<br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/o9mpPhjNDCw?rel=0\" width=\"420\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2><span style=\"text-decoration: underline; color: #666699;\"><b>B\/ ETUDE DE LA REPRODUCTION SEXUEE CHEZ LES ANIMAUX<\/b><\/span><\/h2>\n<ul>\n<li><span style=\"color: #800000;\">Construire un tableau de renseignements permettant de recueillir le nom des esp\u00e8ces \u00e9tudi\u00e9es, leur position dans le syst\u00e8me de classification, leur milieu de vie et leur mode de reproduction.<\/span> ( travail individuel)<\/li>\n<li><span style=\"color: #800000;\">Interpr\u00e9ter les r\u00e9sultats de recherche des deux s\u00e9ries d&rsquo;exp\u00e9riences de Spallanzani.<\/span><br \/>\ndocuments : \u00a0<a href=\"https:\/\/www.logobio.fr\/wp-content\/uploads\/2015\/09\/reproduction_des_grenouilles.pdf\">reproduction_des_grenouilles<\/a><\/li>\n<\/ul>\n<ul>\n<li><span style=\"color: #800000;\">A partir de votre tableau de renseignements et de vos conclusions sur les exp\u00e9riences de Spallanzani, construire la d\u00e9finition de la reproduction sexu\u00e9e.<\/span><\/li>\n<\/ul>\n<p><strong><span style=\"color: #ff0000;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">Bilan\u00a0: <span style=\"color: #ffffff;\">la reproduction sexu\u00e9e animale comme v\u00e9g\u00e9tale comporte l\u2019union d\u2019une cellule reproductrice femelle et d\u2019une cellule reproductrice m\u00e2le. C\u2019est la f\u00e9condation<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p>Observation de cellule reproductrice m\u00e2le et femelle.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #ff0000;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">Bilan\u00a0: <span style=\"color: #ffffff;\">le r\u00e9sultat de la f\u00e9condation est une cellule \u0153uf \u00e0 l\u2019origine d\u2019un nouvel individu.<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p style=\"text-align: center;\"><strong><span style=\"color: #ff0000;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><span style=\"text-decoration: underline;\">Sch\u00e9ma bilan de la reproduction sexu\u00e9e<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"color: #666699;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><span style=\"text-decoration: underline;\"><b>C\/ modes de f\u00e9condation<\/b><\/span><\/span><\/span><\/span><\/h2>\n<p>combat d\u00e9bat f\u00e9condation interne et externe<\/p>\n<p><span style=\"color: #666699;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><span style=\"text-decoration: underline;\"><b>1\/ caract\u00e9ristique de la f\u00e9condation externe<\/b><\/span><\/span><\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #666699;\"><span style=\"text-decoration: underline;\"> <span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><b>2\/ caract\u00e9ristique de la f\u00e9condation interne<\/b><\/span><\/span><\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #ff0000;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">Bilan\u00a0:<span style=\"color: #ffffff;\"> L\u2019union des cellules reproductrices m\u00e2le et femelle a lieu dans le milieu ou dans l\u2019organisme.<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"color: #666699;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><span style=\"text-decoration: underline;\"><b>d\/ les m\u00e9canismes favorisant la reproduction sexu\u00e9e<\/b><\/span><\/span><\/span><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ffffff;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><span style=\"text-decoration: underline;\">Activit\u00e9 2\u00a0: d\u00e9termination de m\u00e9canismes stimulant la rencontre des cellules reproductrices.<\/span><\/span><\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><span style=\"color: #ffffff;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">A partir de la vid\u00e9o, d\u00e9terminer les trois principaux facteurs \u00e0 l\u2019origine de la rencontre non hasardeuse des cellules reproductrices.<\/span><\/span><\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><span style=\"color: #ffffff;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">Parade nuptiale<\/span><\/span><\/span><\/li>\n<li><span style=\"color: #ffffff;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">Ph\u00e9romones<\/span><\/span><\/span><\/li>\n<li><span style=\"color: #ffffff;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">Chimiotactisme<\/span><\/span><\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #ff0000;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">Bilan\u00a0: <span style=\"color: #ffffff;\">des m\u00e9canismes \u00e0 l\u2019\u00e9chelle des individus et des cellules reproductrices favorisent la f\u00e9condation.<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h1><span style=\"color: #666699;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"text-decoration: underline;\"><b>II\/ Le peuplement des milieux par la reproduction sexu\u00e9e<\/b><\/span><\/span><\/span><\/h1>\n<p>&nbsp;<\/p>\n<h2><span style=\"color: #666699;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><span style=\"text-decoration: underline;\"><b>a\/ influence des ressources alimentaires<\/b><\/span><\/span><\/span><\/span><\/h2>\n<p>&nbsp;<\/p>\n<ul>\n<li><span style=\"color: #4f81bd;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">A partir des documents page 106 et 107, comment peut on expliquer la d\u00e9termination de la p\u00e9riode de reproduction de la laie<\/span><\/span><\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><b>Bilan\u00a0: les ressources alimentaires du milieu influent sur la reproduction sexu\u00e9e<\/b><\/span><\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"color: #666699;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"text-decoration: underline;\"><b>b\/ interaction entre \u00eatres vivants<\/b><\/span><\/span><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\"><b>Bilan\u00a0: les conditions du milieu influent sur le devenir d\u2019une esp\u00e8ce.<\/b><\/span><\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<h1><strong><span style=\"color: #666699;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"text-decoration: underline;\">III\/ Impact de l\u2019homme sur la reproduction sexu\u00e9e <\/span><\/span><\/span><\/strong><\/h1>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #4f81bd;\"><span style=\"font-family: 'Comic Sans MS', serif;\"><span style=\"font-size: medium;\">4 groupes\u00a0: en quoi l\u2019Homme peut il agir sur le devenir d\u2019une esp\u00e8ce\u00a0?<\/span><\/span><\/span><\/p>\n<p><strong><span style=\"color: #ff0000;\">Bilan : L\u2019Homme peut aussi influer sur la reproduction<\/span><\/strong><br \/>\n<strong><span style=\"color: #ff0000;\">sexu\u00e9e et ainsi porter atteinte, pr\u00e9server ou<\/span><\/strong><br \/>\n<strong><span style=\"color: #ff0000;\">recr\u00e9er une biodiversit\u00e9.<\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #99cc00;\"><span style=\"line-height: 13px;\"><b>\u00a0<\/b><\/span><\/span><\/p>\n<div id=\"TheTexte\">\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Rappels des ann\u00e9es pr\u00e9c\u00e9dentes : Comment d\u00e9finit-on une esp\u00e8ce ? Pourquoi les chiens ne peuvent pas avoir de descendances avec des chats ? Comment obtient-on des graines chez les plantes \u00e0 fleurs ? Compl\u00e8te le document ci dessous ( l\u00e9gende et titre ) Comment les \u00eatres vivants se reproduisent-ils ? I\/ Etude de la reproduction [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[51,52,50],"_links":{"self":[{"href":"https:\/\/www.logobio.fr\/index.php?rest_route=\/wp\/v2\/posts\/178"}],"collection":[{"href":"https:\/\/www.logobio.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.logobio.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.logobio.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.logobio.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=178"}],"version-history":[{"count":13,"href":"https:\/\/www.logobio.fr\/index.php?rest_route=\/wp\/v2\/posts\/178\/revisions"}],"predecessor-version":[{"id":1087,"href":"https:\/\/www.logobio.fr\/index.php?rest_route=\/wp\/v2\/posts\/178\/revisions\/1087"}],"wp:attachment":[{"href":"https:\/\/www.logobio.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.logobio.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.logobio.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}