{"id":1103,"date":"2020-11-13T02:09:48","date_gmt":"2020-11-13T02:09:48","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=1103"},"modified":"2020-11-13T02:09:48","modified_gmt":"2020-11-13T02:09:48","slug":"snakes-evolutionary-explosion-rapid-diversification","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/evolutionary-biology\/snakes-evolutionary-explosion-rapid-diversification\/","title":{"rendered":"R\u1eafn: M\u1ed9t k\u1ef3 quan ti\u1ebfn h\u00f3a"},"content":{"rendered":"<h2 class=\"wp-block-heading\">R\u1eafn: M\u1ed9t k\u1ef3 quan ti\u1ebfn h\u00f3a<\/h2>\n\n<h2 class=\"wp-block-heading\">B\u00f9ng n\u1ed5 ti\u1ebfn h\u00f3a s\u1edbm<\/h2>\n\n<p>R\u1eafn, nh\u01b0 ch\u00fang ta bi\u1ebft ng\u00e0y nay, l\u00e0 m\u1ed9t nh\u00f3m b\u00f2 s\u00e1t \u0111a d\u1ea1ng v\u1edbi nh\u1eefng th\u00edch nghi \u0111\u1ed9c \u0111\u00e1o, gi\u00fap ch\u00fang kh\u00e1c bi\u1ec7t v\u1edbi t\u1ed5 ti\u00ean l\u00e0 th\u1eb1n l\u1eb1n c\u1ee7a m\u00ecnh. H\u00e0nh tr\u00ecnh ti\u1ebfn h\u00f3a n\u00e0y b\u1eaft \u0111\u1ea7u c\u00e1ch \u0111\u00e2y h\u01a1n 150 tri\u1ec7u n\u0103m, khi m\u1ed9t s\u1ed1 lo\u00e0i th\u1eb1n l\u1eb1n nh\u1ea5t \u0111\u1ecbnh b\u1eaft \u0111\u1ea7u b\u01b0\u1edbc v\u00e0o qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111\u00e1ng kinh ng\u1ea1c.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u1ef3 d\u1ecb ti\u1ebfn h\u00f3a<\/h2>\n\n<p>Kho\u1ea3ng 125 tri\u1ec7u n\u0103m tr\u01b0\u1edbc, r\u1eafn \u0111\u00e3 tr\u1ea3i qua m\u1ed9t &#8220;k\u1ef3 d\u1ecb ti\u1ebfn h\u00f3a&#8221;, m\u1ed9t giai \u0111o\u1ea1n thay \u0111\u1ed5i ti\u1ebfn h\u00f3a nhanh ch\u00f3ng. Thay v\u00ec s\u1ef1 t\u00edch l\u0169y d\u1ea7n d\u1ea7n c\u00e1c thay \u0111\u1ed5i, r\u1eafn \u0111\u00e3 tr\u1ea3i qua m\u1ed9t lo\u1ea1t c\u00e1c th\u00edch nghi nhanh ch\u00f3ng, \u0111\u1ecbnh h\u00ecnh n\u00ean c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t c\u1ee7a ch\u00fang.<\/p>\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng th\u00edch nghi quan tr\u1ecdng<\/h2>\n\n<p>K\u1ef3 d\u1ecb ti\u1ebfn h\u00f3a \u0111\u00e3 mang l\u1ea1i m\u1ed9t s\u1ed1 thay \u0111\u1ed5i quan tr\u1ecdng trong c\u1ea5u tr\u00fac gi\u1ea3i ph\u1eabu c\u1ee7a r\u1eafn:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ed9p s\u1ecd linh ho\u1ea1t:<\/strong> S\u1ef1 th\u00edch nghi n\u00e0y cho ph\u00e9p r\u1eafn nu\u1ed1t nh\u1eefng con m\u1ed3i l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u1ea7u c\u1ee7a ch\u00fang.<\/li>\n<li><strong>L\u01b0\u1ee1i c\u1ea3m nh\u1eadn h\u00f3a ch\u1ea5t:<\/strong> R\u1eafn \u0111\u00e3 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc trong kh\u00f4ng kh\u00ed, gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng s\u0103n m\u1ed3i c\u1ee7a ch\u00fang.<\/li>\n<li><strong>M\u1ea5t ch\u00e2n:<\/strong> R\u1eafn \u0111\u00e3 m\u1ea5t ch\u00e2n, tr\u1edf n\u00ean m\u1ea3nh mai v\u00e0 d\u00e0i h\u01a1n, mang l\u1ea1i s\u1ef1 nhanh nh\u1eb9n h\u01a1n tr\u00ean nhi\u1ec1u \u0111\u1ecba h\u00ecnh kh\u00e1c nhau.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Chuy\u00ean bi\u1ec7t h\u00f3a ch\u1ebf \u0111\u1ed9 \u0103n<\/h2>\n\n<p>Ngo\u00e0i nh\u1eefng thay \u0111\u1ed5i v\u1ec1 m\u1eb7t gi\u1ea3i ph\u1eabu, r\u1eafn c\u0169ng tr\u1ea3i qua s\u1ef1 chuy\u00ean bi\u1ec7t h\u00f3a ch\u1ebf \u0111\u1ed9 \u0103n \u0111\u00e1ng k\u1ec3. Ch\u00fang ti\u1ebfn h\u00f3a \u0111\u1ec3 ti\u00eau th\u1ee5 nh\u1eefng con m\u1ed3i m\u00e0 c\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n kh\u00e1c tr\u00e1nh, bao g\u1ed3m c\u1ea3 \u0111\u1ed9ng v\u1eadt c\u00f3 x\u01b0\u01a1ng s\u1ed1ng v\u00e0 c\u00e1c lo\u00e0i c\u00f3 \u0111\u1ed9c. S\u1ef1 thay \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 \u0103n n\u00e0y \u0111\u00e3 g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 th\u00e0nh c\u00f4ng v\u00e0 \u0111a d\u1ea1ng c\u1ee7a ch\u00fang.<\/p>\n\n<h2 class=\"wp-block-heading\">L\u1ee3i th\u1ebf ti\u1ebfn h\u00f3a<\/h2>\n\n<p>S\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa c\u00e1c th\u00edch nghi v\u1ec1 gi\u1ea3i ph\u1eabu v\u00e0 ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng \u0111\u00e3 mang l\u1ea1i cho r\u1eafn m\u1ed9t l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n kh\u00e1c. C\u01a1 th\u1ec3 linh ho\u1ea1t c\u1ee7a ch\u00fang cho ph\u00e9p ch\u00fang ti\u1ebfp c\u1eadn nh\u1eefng m\u00f4i tr\u01b0\u1eddng s\u1ed1ng m\u1edbi, trong khi l\u01b0\u1ee1i c\u1ea3m nh\u1eadn h\u00f3a ch\u1ea5t v\u00e0 ch\u1ebf \u0111\u1ed9 \u0103n chuy\u00ean bi\u1ec7t c\u1ee7a ch\u00fang m\u1edf r\u1ed9ng ngu\u1ed3n th\u1ee9c \u0103n c\u1ee7a ch\u00fang.<\/p>\n\n<h2 class=\"wp-block-heading\">T\u1ed1c \u0111\u1ed9 ti\u1ebfn h\u00f3a nhanh ch\u00f3ng<\/h2>\n\n<p>R\u1eafn ti\u1ebfn h\u00f3a nhanh h\u01a1n th\u1eb1n l\u1eb1n c\u00f9ng th\u1eddi \u0111\u1ea1i kho\u1ea3ng ba l\u1ea7n. T\u1ed1c \u0111\u1ed9 ti\u1ebfn h\u00f3a nhanh ch\u00f3ng n\u00e0y \u0111\u00e3 gi\u00fap ch\u00fang \u0111a d\u1ea1ng h\u00f3a th\u00e0nh nhi\u1ec1u lo\u00e0i kh\u00e1c nhau, chi\u1ebfm nhi\u1ec1u h\u1ed1c sinh th\u00e1i kh\u00e1c nhau.<\/p>\n\n<h2 class=\"wp-block-heading\">T\u00e1c \u0111\u1ed9ng sinh th\u00e1i<\/h2>\n\n<p>S\u1ef1 b\u00f9ng n\u1ed5 ti\u1ebfn h\u00f3a c\u1ee7a r\u1eafn \u0111\u00e3 c\u00f3 t\u00e1c \u0111\u1ed9ng s\u00e2u s\u1eafc \u0111\u1ebfn c\u00e1c h\u1ec7 sinh th\u00e1i tr\u00ean Tr\u00e1i \u0111\u1ea5t. Kh\u1ea3 n\u0103ng khai th\u00e1c c\u00e1c ngu\u1ed3n th\u1ee9c \u0103n v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng m\u1edbi c\u1ee7a ch\u00fang \u0111\u00e3 g\u00f3p ph\u1ea7n l\u00e0m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng m\u1ed9t s\u1ed1 lo\u00e0i th\u1eb1n l\u1eb1n nh\u1ea5t \u0111\u1ecbnh v\u00e0 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7 sinh th\u00e1i m\u1edbi.<\/p>\n\n<h2 class=\"wp-block-heading\">Nghi\u00ean c\u1ee9u \u0111ang di\u1ec5n ra<\/h2>\n\n<p>M\u1eb7c d\u00f9 \u0111\u00e3 c\u00f3 nh\u1eefng ti\u1ebfn b\u1ed9 \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a r\u1eafn, nh\u01b0ng v\u1eabn c\u00f2n nhi\u1ec1u c\u00e2u h\u1ecfi ch\u01b0a c\u00f3 l\u1eddi gi\u1ea3i. C\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u nh\u1eefng nguy\u00ean nh\u00e2n g\u00e2y ra k\u1ef3 d\u1ecb ti\u1ebfn h\u00f3a, vai tr\u00f2 c\u1ee7a nh\u1eefng thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a r\u1eafn v\u00e0 m\u1ee9c \u0111\u1ed9 chuy\u00ean bi\u1ec7t h\u00f3a ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a ch\u00fang.<\/p>\n\n<h2 class=\"wp-block-heading\">\u00dd ngh\u0129a<\/h2>\n\n<p>Vi\u1ec7c nghi\u00ean c\u1ee9u qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a r\u1eafn cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft gi\u00e1 tr\u1ecb v\u1ec1 kh\u1ea3 n\u0103ng th\u00edch nghi phi th\u01b0\u1eddng v\u00e0 s\u1ef1 \u0111a d\u1ea1ng c\u1ee7a s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t. \u0110i\u1ec1u n\u00e0y nh\u1ea5n m\u1ea1nh s\u1ee9c m\u1ea1nh c\u1ee7a ch\u1ecdn l\u1ecdc t\u1ef1 nhi\u00ean trong vi\u1ec7c th\u00fac \u0111\u1ea9y nh\u1eefng thay \u0111\u1ed5i nhanh ch\u00f3ng v\u00e0 mang t\u00ednh bi\u1ebfn \u0111\u1ed5i \u0111\u1ec3 \u0111\u00e1p \u1ee9ng v\u1edbi nh\u1eefng thay \u0111\u1ed5i c\u1ee7a \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng.<\/p>","protected":false},"excerpt":{"rendered":"<p>R\u1eafn: M\u1ed9t k\u1ef3 quan ti\u1ebfn h\u00f3a B\u00f9ng n\u1ed5 ti\u1ebfn h\u00f3a s\u1edbm R\u1eafn, nh\u01b0 ch\u00fang ta bi\u1ebft ng\u00e0y nay, l\u00e0 m\u1ed9t nh\u00f3m b\u00f2 s\u00e1t \u0111a d\u1ea1ng v\u1edbi nh\u1eefng th\u00edch nghi \u0111\u1ed9c&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2547],"tags":[2546,395,2545,219,1647,136],"class_list":["post-1103","post","type-post","status-publish","format-standard","hentry","category-evolutionary-biology","tag-natural-selection","tag-biodiversity","tag-snakes","tag-ecology","tag-adaptation","tag-evolution"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=1103"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1103\/revisions"}],"predecessor-version":[{"id":1104,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1103\/revisions\/1104"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=1103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=1103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=1103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}