{"id":2074,"date":"2020-11-17T19:54:45","date_gmt":"2020-11-17T19:54:45","guid":{"rendered":"http:\/\/meumon.synology.me\/museu\/?p=2074"},"modified":"2023-11-15T20:06:43","modified_gmt":"2023-11-15T20:06:43","slug":"gimnospermes","status":"publish","type":"post","link":"http:\/\/meumon.synology.me\/museu\/gimnospermes\/","title":{"rendered":"Gimnospermes"},"content":{"rendered":"<p><a href=\"http:\/\/meumon.synology.me\/museu\/arbre-de-la-vida\/\">Arbre de la vida<\/a>,\u00a0 \u00a0<a href=\"http:\/\/meumon.synology.me\/museu\/la-vida-que-trobem-al-voltant\/\"> La vida al voltant<\/a><br \/>\nApareixen al Devoni\u00e0 400mA i predominen al Carbon\u00edfer 330mA. 1000 esp\u00e8cies.<\/p>\n<hr \/>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/3\/35\/Pinophyta_phylogeny.svg\" width=\"570\" height=\"405\" \/><\/p>\n<p>L&#8217;arbre que veiem normalment \u00e9s l&#8217;esporofit, diploide (23 parelles de cromosomes), en el qual creixen [ a la mateixa planta, no a terra] els gametofits mascle i femella, haploides que en fusionar-se donaran lloc a un embri\u00f3 [el piny\u00f3] diploide.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/d\/d8\/Gymnosperm_life_cycle_%28en%29.png\/800px-Gymnosperm_life_cycle_%28en%29.png\" \/><\/p>\n<p>(llavors nues) \/B Flors sense pistil, \u00f2vuls situats damunt les fulles carpelars (esquames fent pinya), sense periant (flor nua).<\/p>\n<p>En un pi veiem el con del pol\u00b7len (g\u00e0meta haploide), groc, i la pinya que protegeix els \u00f2vuls (g\u00e0meta haploide). En ser fecundats pels grans de pol\u00b7len que transporta el vent es forma un embri\u00f3 diploide, que sovint est\u00e0 protegit per una closca i t\u00e9 una reserva d&#8217;aliment (el piny\u00f3), d&#8217;on creixer\u00e0 un nou espor\u00f2fit (arbre). [no tenim doncs organismes mascle i femella adults i independents]<\/p>\n<hr \/>\n<p>Gnetatae: (restes de f\u00f2sils) , Efedr\u00e0cies B14 (arbust, liana)<\/p>\n<p>Cycatadae: [semblants a palmeres]<\/p>\n<p>Ginkgoatae: (xina, jap\u00f3) 1e.<\/p>\n<p>Coniferals<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Araucaria ()<\/li>\n<li>Pin\u00e0cies, B12 Fulles esparses o en grups de branques curtes: avet, p\u00edcea, pi blanc, pi pinyer, pinastre, pi roig, pi negre, cedre. Taxodium, Sequoia ()<\/li>\n<li>Cupress\u00e0cies. B13 (fulles oposades o en verticils) Xiprers, ginebr\u00f3.<\/li>\n<li>Tax\u00e0cies: B11: (Teix)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Gymnosperm\">wiki<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arbre de la vida,\u00a0 \u00a0 La vida al voltant Apareixen al Devoni\u00e0 400mA i predominen al Carbon\u00edfer 330mA. 1000 esp\u00e8cies. L&#8217;arbre que veiem normalment \u00e9s l&#8217;esporofit, diploide (23 parelles de cromosomes), en el qual creixen [ a la mateixa planta, no a terra] els gametofits mascle i femella, haploides que en fusionar-se donaran lloc a &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/meumon.synology.me\/museu\/gimnospermes\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Gimnospermes&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[343],"tags":[],"anotacio":[],"civilitzacio":[],"spec":[],"aspecies":[529],"Tema poesia":[],"_links":{"self":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts\/2074"}],"collection":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/comments?post=2074"}],"version-history":[{"count":0,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts\/2074\/revisions"}],"wp:attachment":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/media?parent=2074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/categories?post=2074"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/tags?post=2074"},{"taxonomy":"anotacio","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/anotacio?post=2074"},{"taxonomy":"civilitzacio","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/civilitzacio?post=2074"},{"taxonomy":"spec","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/spec?post=2074"},{"taxonomy":"aspecies","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/aspecies?post=2074"},{"taxonomy":"Tema poesia","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/Tema poesia?post=2074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}