{"version":"1.0","provider_name":"Aula de Naturaleza educativa","provider_url":"https:\/\/natureduca.com\/aula","author_name":"Admin","author_url":"https:\/\/natureduca.com\/aula\/author\/jefe\/","title":"ECOLOG\u00cdA GENERAL - CADENAS, REDES Y PIR\u00c1MIDES - Aula de Naturaleza educativa","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"EnFL8jJ63J\"><a href=\"https:\/\/natureduca.com\/aula\/ecologia-general-cadenas-redes-y-piramides\/\">ECOLOG\u00cdA GENERAL &#8211; CADENAS, REDES Y PIR\u00c1MIDES<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/natureduca.com\/aula\/ecologia-general-cadenas-redes-y-piramides\/embed\/#?secret=EnFL8jJ63J\" width=\"600\" height=\"338\" title=\"\u00abECOLOG\u00cdA GENERAL &#8211; CADENAS, REDES Y PIR\u00c1MIDES\u00bb \u2014 Aula de Naturaleza educativa\" data-secret=\"EnFL8jJ63J\" 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:\/\/natureduca.com\/aula\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":null,"thumbnail_width":null,"thumbnail_height":null,"description":"Los niveles tr\u00f3ficos&nbsp;productores,&nbsp;consumidores&nbsp;y&nbsp;descomponedores&nbsp;(v\u00e9ase el art\u00edculo sobre Estructura de un ecosistema), mantienen unas relaciones lineales mutuas denominadas&nbsp;cadenas alimenticias&nbsp;o&nbsp;tr\u00f3ficas, cuyos eslabones est\u00e1n ligados entre s\u00ed. \u00bfCadena tr\u00f3fica o red tr\u00f3fica&#8230;? Las m\u00faltiples interacciones existentes entre los individuos impide (salvo excepciones) definir individualmente con claridad una cadena tr\u00f3fica, ya que, seg\u00fan las circunstancias,... Seguir leyendo..."}