{"id":81,"date":"2024-04-04T05:55:45","date_gmt":"2024-04-04T02:55:45","guid":{"rendered":"https:\/\/sisu.ut.ee\/eluarengmaal\/kambriumi-ajastu\/"},"modified":"2024-04-04T05:56:25","modified_gmt":"2024-04-04T02:56:25","slug":"kambriumi-ajastu","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/eluarengmaal\/kambriumi-ajastu\/","title":{"rendered":"Kambriumi ajastu"},"content":{"rendered":"<p>\n\t<b>Kambrium<\/b>\u00a0oli\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/paleosoikum\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/paleosoikum\" target=\"_blank\" title=\"\" rel=\"noopener\">Paleosoikumi<\/a>\u00a0vanim ajastu; algas 540 miljonit aastat tagasi ja l\u00f5ppes 495 miljonit aastat tagasi; j\u00e4rgnes<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/proterosoikum\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/proterosoikum\" target=\"_blank\" title=\"\" rel=\"noopener\">\u00a0Proterosoikumile<\/a>\u00a0ja eelnes\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/ordoviitsium\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/ordoviitsium\" target=\"_blank\" title=\"\" rel=\"noopener\">Ordoviitsiumile<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"323\" height=\"149\" class=\"alignnone wp-image-337\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/kambrium.jpg\" title=\"kambrium.jpg\" alt=\"kambrium\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/kambrium.jpg 323w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/kambrium-300x138.jpg 300w\" sizes=\"auto, (max-width: 323px) 100vw, 323px\"><br><em>Skeem 1. Kambriumi geokronoloogiline tabel<\/em>\n<\/p>\n<p>\n\tKambriumi kestel oli p\u00f5hjapoolkeral Panthalassa hiidookean, l\u00f5unapoolkeral asetses\u00a0<a data-url=\"http:\/\/www.scotese.com\/newpage12.htm\" href=\"http:\/\/www.scotese.com\/newpage12.htm\" target=\"_blank\" title=\"\" rel=\"noopener\">Gondwana hiidmanner<\/a>\u00a0ning Laurentia (P\u00f5hja-Ameerika), Baltika ja Siberi mandrid. Kontinendid olid \u00fcle ujutatud madalmeredega. Kambriumi kliima oli m\u00f5\u00f5dukas, mitte eriti k\u00fclm, ega ka soe.\n<\/p>\n<p>\n\tKambriumi ajastu alguses ilmusid toesega (skeletiga) varustatud hulkraksed loomad. Kivististe j\u00e4rsu ilmumise t\u00f5ttu nimetatakse seda aega\u00a0\u201c<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/kambriumi-plahvatus\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/kambriumi-plahvatus\" target=\"_blank\" title=\"\" rel=\"noopener\">Kambriumi plahvatuseks<\/a>\u201c. Mingil p\u00f5hjusel kiirenes elu areng ja organismide mitmekesisus suurenes geoloogiliselt l\u00fchikese aja jooksul kiiresti. Ilmusid erinevad veeselgrootud\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/limused-ehk-molluskid\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/limused-ehk-molluskid\" target=\"_blank\" title=\"\" rel=\"noopener\">molluskid<\/a>,\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/trilobiidid\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/trilobiidid\" target=\"_blank\" title=\"\" rel=\"noopener\">trilobiidid<\/a><u>,<\/u>\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/arheots%C3%BCaadid\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/arheots%C3%BCaadid\" target=\"_blank\" title=\"\" rel=\"noopener\">arheotsuaadid<\/a>\u00a0(surid v\u00e4lja Kambriumi keskel),\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/puuduluksed-k%C3%A4sijalgsed\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/puuduluksed-k%C3%A4sijalgsed\" target=\"_blank\" title=\"\" rel=\"noopener\">puuduluksed k\u00e4sijalgsed<\/a> (brahhiopoodid),\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/k%C3%A4snad\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/k%C3%A4snad\" target=\"_blank\" title=\"\" rel=\"noopener\">kasnad<\/a>, meduusid, ussid ja paljud problemaatilise kuuluvusega organismid.\n<\/p>\n<p>\n\tKambriumi taimestikus olid \u00fclekaalus merevetikad.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kambrium\u00a0oli\u00a0Paleosoikumi\u00a0vanim ajastu; algas 540 miljonit aastat tagasi ja l\u00f5ppes 495 miljonit aastat tagasi; j\u00e4rgnes\u00a0Proterosoikumile\u00a0ja eelnes\u00a0Ordoviitsiumile. Skeem 1. Kambriumi geokronoloogiline tabel Kambriumi kestel oli p\u00f5hjapoolkeral Panthalassa hiidookean, l\u00f5unapoolkeral asetses\u00a0Gondwana hiidmanner\u00a0ning Laurentia (P\u00f5hja-Ameerika), Baltika ja Siberi mandrid. Kontinendid olid \u00fcle ujutatud madalmeredega. &#8230;<\/p>\n","protected":false},"author":226,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-81","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/pages\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/users\/226"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/comments?post=81"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/pages\/81\/revisions"}],"predecessor-version":[{"id":424,"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/pages\/81\/revisions\/424"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/media?parent=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}