{"id":2837,"date":"2024-06-28T14:44:05","date_gmt":"2024-06-28T12:44:05","guid":{"rendered":"https:\/\/www.faunaaereadesantiago.com\/?page_id=2837"},"modified":"2024-08-29T12:32:04","modified_gmt":"2024-08-29T10:32:04","slug":"evolucion-de-los-insectos","status":"publish","type":"page","link":"https:\/\/www.faunaaereadesantiago.com\/es\/evolucion-de-los-insectos\/","title":{"rendered":"Evoluci\u00f3n de los Insectos"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-a32e4f2a alignfull uagb-is-root-container\"><div class=\"uagb-container__shape uagb-container__shape-bottom uagb-container__invert\" data-negative=\"false\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 283.5 19.6\" preserveAspectRatio=\"none\"><path class=\"uagb-container__shape-fill\" opacity=\"0.33\" d=\"M0 0L0 18.8 141.8 4.1 283.5 18.8 283.5 0z\"><\/path><path class=\"uagb-container__shape-fill\" opacity=\"0.33\" d=\"M0 0L0 12.6 141.8 4 283.5 12.6 283.5 0z\"><\/path><path class=\"uagb-container__shape-fill\" opacity=\"0.33\" d=\"M0 0L0 6.4 141.8 4 283.5 6.4 283.5 0z\"><\/path><path class=\"uagb-container__shape-fill\" d=\"M0 0L0 1.2 141.8 4 283.5 1.2 283.5 0z\"><\/path><\/svg><\/div><div class=\"uagb-container-inner-blocks-wrap\">\n<header class=\"wp-block-uagb-advanced-heading uagb-block-3ec6b854\"><h1 class=\"uagb-heading-text\">evoluci\u00f3n de los insectos<\/h1><\/header>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-2099a086 alignfull uagb-is-root-container\">\n<div class=\"wp-block-uagb-container uagb-block-16ef94c0\">\n<div class=\"wp-block-uagb-image uagb-block-617d8764 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" src=\"https:\/\/www.faunaaereadesantiago.com\/wp-content\/uploads\/2024\/07\/mosca-sobre-una-margarita-1024x682.jpg\" alt=\"Mosca sobre una margarita insectos representando la evoluci\u00f3n de los insectos\" class=\"uag-image-10371\" width=\"1024\" height=\"682\" title=\"Mosca sobre una margarita\" loading=\"lazy\" role=\"img\" \/><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-ad17e02b\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-57b84edd\"><h2 class=\"uagb-heading-text\">los insectos, fundamentales para la vida<\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-style:normal;font-weight:400\">Los insectos est\u00e1n en la base alimentaria de muchas especies de aves, mam\u00edferos y peces. Sin ellos, el mundo ser\u00eda un estercolero, ya que son los encargados de reciclar una enorme cantidad de desechos, desde madera y hojas muertas, hasta excrementos o cad\u00e1veres de animales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-style:normal;font-weight:400\">Hace millones de a\u00f1os \u00abinventaron\u00bb la polinizaci\u00f3n, asoci\u00e1ndose con las plantas con flores para ayudarlas en una reproducci\u00f3n cruzada, y volvi\u00e9ndose imprescindibles para el \u00e9xito de la vida vegetal. De hecho, la desaparici\u00f3n de polinizadores como las abejas est\u00e1 poniendo en jaque la producci\u00f3n agraria y complicando nuestra propia supervivencia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-style:normal;font-weight:400\">La evoluci\u00f3n de los insectos est\u00e1 marcada por tres per\u00edodos clave: la invenci\u00f3n del ala y el vuelo, la invenci\u00f3n de la <a href=\"https:\/\/www.faunaaereadesantiago.com\/es\/metamorfosis\/\">metamorfosis<\/a>, y la asociaci\u00f3n de plantas e insectos mediante la polinizaci\u00f3n.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-43610b2c\"><div class=\"uagb-separator-spacing-wrapper\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-dead2e2e default uagb-is-root-container\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-422b7641\"><h2 class=\"uagb-heading-text\">Evoluci\u00f3n. Los primeros insectos<\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Los primeros insectos en la Tierra se originaron hace unos 480.000.000 de a\u00f1os y se parec\u00edan a los actuales <a href=\"https:\/\/gl.wikipedia.org\/wiki\/Lepisma_saccharina\" target=\"_blank\" rel=\"noopener\">pececillos de plata<\/a> (<em>Lepisma Saccharina<\/em>) comunes en las viviendas en zonas h\u00famedas y oscuras como los ba\u00f1os. Las cucarachas, aparecen hace 400 millones de a\u00f1os y no han necesitado cambiar demasiado de aspecto porque su dise\u00f1o evolutivo es muy eficaz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unos 80 millones de a\u00f1os despu\u00e9s, los ancestros de los insectos desarrollaron la habilidad de volar, siendo los primeros animales en conseguirlo, antes que los dinosaurios, aves y mam\u00edferos (el murci\u00e9lago). El origen de la aparici\u00f3n de las alas en los insectos sigue envuelto en el misterio, ya que parecen surgidas de la nada, al contrario de lo que sucede con aves y murci\u00e9lagos. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los ancestros de las lib\u00e9lulas y las ef\u00edmeras, fueron los primeros que desarrollaron alas, d\u00e1ndoles la posibilidad de volar largas distancias, lo que les permiti\u00f3: huir de los depredadores, tener ventaja para la caza de presas y acceder a nuevas fuentes de alimento convirtiendo a los insectos en uno de los grupos m\u00e1s exitosos de la Tierra.<\/p>\n\n\n\n<div class=\"wp-block-cover aligncenter is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-80 has-background-dim\" style=\"background-color:#8cb44d\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"684\" class=\"wp-block-cover__image-background wp-image-10378\" alt=\"Lib\u00e9lula campo verde\" src=\"https:\/\/www.faunaaereadesantiago.com\/wp-content\/uploads\/2024\/07\/libelula.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.faunaaereadesantiago.com\/wp-content\/uploads\/2024\/07\/libelula.jpg 1280w, https:\/\/www.faunaaereadesantiago.com\/wp-content\/uploads\/2024\/07\/libelula-400x214.jpg 400w, https:\/\/www.faunaaereadesantiago.com\/wp-content\/uploads\/2024\/07\/libelula-1024x547.jpg 1024w, https:\/\/www.faunaaereadesantiago.com\/wp-content\/uploads\/2024\/07\/libelula-768x410.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:14px\"><strong>Las lib\u00e9lulas aparecen mucho antes que los dinosaurios, hace m\u00e1s o menos 300 millones de a\u00f1os y su aspecto era muy parecido al de las lib\u00e9lulas actuales, salvo por su tama\u00f1o similar al de una gaviota actual, con una longitud de 70 cm de punta a punta de las alas. Fueron desde luego los insectos voladores m\u00e1s grandes que jam\u00e1s han existido. <\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:14px\"><strong>En la \u00e9poca en que estas lib\u00e9lulas gigantes conquistaban el cielo, en el carbon\u00edfero, hab\u00eda tambi\u00e9n moscas enormes, escorpiones y ara\u00f1as descomunales. En este per\u00edodo, muy h\u00famedo y caluroso, los bosques tropicales proliferaron inyectando enormes cantidades de ox\u00edgeno (un 30%, comparado con el 21% actual) en la atm\u00f3sfera. Este alt\u00edsimo porcentaje de ox\u00edgeno facilitaba alcanzar esos tama\u00f1os a los insectos.<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La desaparici\u00f3n de esta megafauna insecta (50 millones m\u00e1s tarde de su aparici\u00f3n) coincide con la aparici\u00f3n de las primeras aves, que lleva a los insectos a evolucionar a cuerpos m\u00e1s peque\u00f1os para poder maniobrar mejor y esquivar a las hambrientas aves.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>evoluci\u00f3n de los insectos los insectos, fundamentales para la vida Los insectos est\u00e1n en la base alimentaria de muchas especies 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