{"id":24918,"date":"2026-02-28T13:21:26","date_gmt":"2026-02-28T12:21:26","guid":{"rendered":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/?p=24918"},"modified":"2026-02-28T13:21:26","modified_gmt":"2026-02-28T12:21:26","slug":"xarxes-trofiques","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/primaria\/xarxes-trofiques\/","title":{"rendered":"XARXES TR\u00d2FIQUES"},"content":{"rendered":"\n<p class=\"has-text-align-left\">L\u2019alumnat de 5\u00e8 hem treballat les <strong>xarxes tr\u00f2fiques<\/strong> a partir d\u2019un taller realitzat amb l\u2019associaci\u00f3 d\u2019Educaci\u00f3 Ambiental Biosfera.<\/p>\n\n\n\n<p><strong>Sabeu qu\u00e8 \u00e9s una cadena tr\u00f2fica? I una xarxa tr\u00f2fica?&nbsp;<\/strong><\/p>\n\n\n\n<p>Les <strong>cadenes tr\u00f2fiques<\/strong> ens expliquen com passa l\u2019energia d\u2019un \u00e9sser viu a un altre dins d\u2019un ecosistema. Tot comen\u00e7a amb els <strong>productors<\/strong>, com les plantes i les algues, que fabriquen el seu propi aliment gr\u00e0cies a la llum del Sol. Despr\u00e9s, hi ha els <strong>consumidors primaris<\/strong>, que s\u00f3n animals herb\u00edvors que mengen plantes. A continuaci\u00f3 trobem els <strong>consumidors secundaris<\/strong>, que s\u2019alimenten dels herb\u00edvors. Tamb\u00e9 hi pot haver <strong>consumidors terciaris<\/strong>, que s\u00f3n grans depredadors.<br>Quan els \u00e9ssers vius moren, intervenen els <strong>descomponedors<\/strong>, com els fongs i bacteris, que transformen les restes en nutrients per al s\u00f2l.<br>Una <strong>xarxa tr\u00f2fica<\/strong> \u00e9s el conjunt de moltes cadenes tr\u00f2fiques connectades entre si. Aix\u00f2 passa perqu\u00e8 un mateix animal pot alimentar-se de diferents \u00e9ssers vius.&nbsp;<\/p>\n\n\n\n<p><strong>Exemple de xarxa tr\u00f2fica:<\/strong><\/p>\n\n\n\n<p>En un bosc, l\u2019herba (productor) \u00e9s menjada pel conill i el saltamart\u00ed (consumidors primaris). El conill pot ser menjat per la guineu, i el saltamart\u00ed per una granota. La granota pot ser menjada per una serp i la serp, per l\u2019\u00e0liga. Com que alguns animals mengen m\u00e9s d\u2019un aliment, totes aquestes relacions formen una xarxa tr\u00f2fica.<\/p>\n\n\n\n<p>Com a<strong> producte final <\/strong>d\u2019aquest taller, hem creat diferents <strong>murals per grups<\/strong>!<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container \" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"XARXES TR\u00d2FIQUES\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/TkiriqCiVDw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019alumnat de 5\u00e8 hem treballat les xarxes tr\u00f2fiques a partir d\u2019un taller realitzat amb l\u2019associaci\u00f3 d\u2019Educaci\u00f3 Ambiental Biosfera. Sabeu qu\u00e8 \u00e9s una cadena tr\u00f2fica? I una xarxa tr\u00f2fica?&nbsp; Les cadenes tr\u00f2fiques ens expliquen com passa l\u2019energia d\u2019un \u00e9sser viu a un altre dins d\u2019un ecosistema. Tot comen\u00e7a amb els productors, com les plantes i les [&hellip;]<\/p>\n","protected":false},"author":66,"featured_media":24916,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[14,5],"tags":[57,78,225,79],"class_list":["post-24918","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cs","category-primaria","tag-5e","tag-activitats","tag-medi","tag-tallers"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/posts\/24918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/users\/66"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/comments?post=24918"}],"version-history":[{"count":6,"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/posts\/24918\/revisions"}],"predecessor-version":[{"id":24949,"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/posts\/24918\/revisions\/24949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/media\/24916"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/media?parent=24918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/categories?post=24918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-menendezpidal-hospitalet\/wp-json\/wp\/v2\/tags?post=24918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}