\u0111\u1eb7t c\u01b0\u1ee3c bombastic casino<\/a> chuy\u00ean gia x\u00e1c \u0111\u1ecbnh t\u00ecnh tr\u1ea1ng m\u1eaft v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t c\u00e1c lo\u1ea1i k\u00ednh \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u1ecb l\u1ef1c. Th\u1ea5u k\u00ednh l\u1ed3i h\u01a1n s\u1ebd kh\u00fac x\u1ea1 \u00e1nh s\u00e1ng tr\u1eafng m\u1ea1nh h\u01a1n v\u00e0 t\u1eadp trung \u00e1nh s\u00e1ng tr\u1eafng ph\u00e2n k\u1ef3 c\u1ee7a c\u00e1c v\u1eadt th\u1ec3 \u1edf g\u1ea7n l\u00ean v\u00f5ng m\u1ea1c, cho ph\u00e9p nh\u00ecn r\u00f5 h\u01a1n c\u00e1c v\u1eadt th\u1ec3 theo \u00fd mu\u1ed1n. S\u1ef1 co gi\u00e3n c\u1ee7a th\u1ec3 mi l\u00e0m thu h\u1eb9p \u0111\u01b0\u1eddng k\u00ednh b\u00ean trong c\u1ee7a th\u1ec3 mi, l\u00e0m d\u1ecbu m\u00f4 m\u1edbi c\u1ee7a d\u00e2y ch\u1eb1ng treo \u1edf ngo\u1ea1i vi c\u1ee7a th\u1ea5u k\u00ednh, v\u00e0 cho ph\u00e9p th\u1ea5u k\u00ednh gi\u00e3n ra th\u00e0nh h\u00ecnh d\u1ea1ng l\u1ed3i h\u01a1n, ho\u1eb7c h\u00ecnh c\u1ea7u.<\/p>\nM\u1ea5t kh\u1ea3 n\u0103ng t\u1eadp trung th\u1ecb gi\u00e1c do s\u1ef1 tho\u00e1i h\u00f3a c\u1ee7a c\u00e1c t\u1ebf b\u00e0o h\u00ecnh n\u00f3n nh\u1ea1y c\u1ea3m v\u00e0 nh\u1ea1y c\u1ea3m m\u1edbi nh\u1ea5t \u1edf \u0111i\u1ec3m v\u00e0ng \u2013 th\u00e0nh ph\u1ea7n ch\u00ednh m\u1edbi c\u1ee7a v\u00f5ng m\u1ea1c. Tuy nhi\u00ean, nh\u1eefng ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng nh\u00ecn b\u1ed1n m\u00e0u (tetrachromacy) mang m\u1ed9t \u0111\u1ed9t bi\u1ebfn di truy\u1ec1n gi\u00fap h\u1ecd c\u00f3 nhi\u1ec1u lo\u1ea1i t\u1ebf b\u00e0o h\u00ecnh n\u00f3n h\u01a1n, cho ph\u00e9p h\u1ecd nh\u00ecn th\u1ea5y nhi\u1ec1u m\u00e0u s\u1eafc h\u01a1n, v\u00ed d\u1ee5 nh\u01b0 chim hoang d\u00e3 v\u00e0 b\u00f2 s\u00e1t. Trong ph\u1ea1m vi th\u1ecb gi\u00e1c b\u00ecnh th\u01b0\u1eddng, h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi \u0111\u01b0\u1ee3c cho l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n bi\u1ec7t kho\u1ea3ng 10 tri\u1ec7u m\u00e0u s\u1eafc kh\u00e1c nhau b\u1eb1ng ba lo\u1ea1i t\u1ebf b\u00e0o h\u00ecnh n\u00f3n. V\u00ec v\u1eady, \u1edf h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1c, kh\u1ea3 n\u0103ng n\u00e0y gi\u1ed1ng v\u1edbi m\u00e1y \u1ea3nh c\u01a1 b\u1ea3n h\u01a1n.<\/p>\n
<\/p>\n
R\u1ea5t \u00edt sinh v\u1eadt c\u00f3 kh\u1ea3 n\u0103ng nh\u00ecn m\u00e0u c\u0169ng c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft \u00e1nh s\u00e1ng c\u1ef1c t\u00edm. Ngay c\u1ea3 khi vi khu\u1ea9n c\u1ed1 g\u1eafng ph\u00e2n bi\u1ec7t c\u00e1c t\u00f4ng m\u00e0u kh\u00e1c nhau, \u0111i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c m\u00e0u s\u1eafc kh\u00e1c nhau; ch\u1ec9 c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn \u0111i\u1ec1u n\u00e0y th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m h\u00e0nh vi. M\u1ed9t s\u1ed1 sinh v\u1eadt kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u00e0u s\u1eafc, m\u00e0 ch\u1ec9 nh\u00ecn th\u1ea5y m\u00e0u x\u00e1m; v\u00e0 m\u1eaft c\u1ea7n m\u1ed9t lo\u1ea1t c\u00e1c m\u00f4 s\u1eafc t\u1ed1 ch\u1ee7 y\u1ebfu nh\u1ea1y c\u1ea3m v\u1edbi d\u1ea3i m\u00e0u h\u1eb9p h\u01a1n. "Kh\u1ea3 n\u0103ng nh\u00ecn m\u00e0u l\u00e0 kh\u1ea3 n\u0103ng gi\u00fap sinh v\u1eadt ph\u00e2n bi\u1ec7t c\u00e1c lo\u1ea1i \u00e1nh s\u00e1ng c\u00f3 ch\u1ee9c n\u0103ng quang ph\u1ed5 kh\u00e1c nhau." Vi khu\u1ea9n b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi m\u1ed9t d\u1ea3i \u0111i\u1ec7n t\u1eeb nh\u1ecf; d\u1ea3i n\u00e0y thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng lo\u00e0i, nh\u01b0ng ch\u1ee7 y\u1ebfu n\u1eb1m trong kho\u1ea3ng b\u01b0\u1edbc s\u00f3ng t\u1eeb 400 \u0111\u1ebfn 700 nm.<\/p>\n
c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 bi\u1ec3u b\u00ec th\u1ecb gi\u00e1c<\/h2>\n
\u1ede ng\u01b0\u1eddi, m\u00e0u m\u1eaft n\u00e2u l\u00e0 m\u00e0u ph\u1ed5 bi\u1ebfn nh\u1ea5t, chi\u1ebfm t\u1edbi 79% d\u00e2n s\u1ed1 th\u1ebf gi\u1edbi. H\u1ec7 th\u1ed1ng x\u1eed l\u00fd h\u00ecnh \u1ea3nh m\u1edbi trong n\u00e3o b\u1ed9 qu\u00e1 ch\u1eadm \u0111\u1ec3 x\u1eed l\u00fd th\u00f4ng tin n\u1ebfu h\u00ecnh \u1ea3nh c\u1ed1 g\u1eafng di chuy\u1ec3n d\u1ecdc theo v\u00f5ng m\u1ea1c v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n v\u00e0i \u0111\u1ed9 m\u1ed7i gi\u00e2y. Nh\u01b0ng kh\u00f4ng ph\u1ea3i v\u1eady, v\u1edbi m\u1eaft v\u1eadt ch\u1ea5t, gi\u1ea3i ph\u00e1p m\u1edbi n\u00e0y li\u00ean quan \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a t\u1eebng ommatidia v\u00e0 kho\u1ea3ng c\u00e1ch ch\u00ednh x\u00e1c gi\u1eefa c\u00e1c ommatidia l\u00e2n c\u1eadn. Vi\u1ec7c t\u1ea1o ra m\u1ed9t d\u1ea3i m\u1edd cho ph\u00e9p nhi\u1ec1u m\u1ea1ch m\u00e1u h\u01a1n, nhi\u1ec1u d\u00f2ng ch\u1ea3y h\u01a1n v\u00e0 t\u1ea1o ra c\u00e1c d\u1ea1ng m\u1eaft l\u1edbn. Kho\u1ea3ng tr\u1ed1ng m\u1edbi gi\u1eefa c\u00e1c l\u1edbp m\u00f4 r\u00f5 r\u00e0ng t\u1ea1o th\u00e0nh h\u00ecnh d\u1ea1ng hai m\u1eb7t l\u1ed3i tuy\u1ec7t v\u1eddi, m\u1ed9t thi\u1ebft k\u1ebf t\u1ed1i \u01b0u cho m\u1ed9t k\u00ednh kh\u00fac x\u1ea1 th\u00f4ng th\u01b0\u1eddng. Kho\u1ea3ng tr\u1ed1ng n\u00e0y s\u00e2u d\u1ea7n theo n\u0103m th\u00e1ng, k\u00edch th\u01b0\u1edbc l\u1ed7 gi\u1ea3m \u0111i v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u01a1 th\u1ee5 th\u1ec3 \u00e1nh s\u00e1ng t\u0103ng l\u00ean, t\u1ea1o ra m\u1ed9t m\u00e1y \u1ea3nh l\u1ed7 kim tuy\u1ec7t v\u1eddi c\u00f3 th\u1ec3 nh\u1eadn d\u1ea1ng m\u1edd \u1ea3o c\u00e1c khu\u00f4n m\u1eabu.<\/p>\n
L\u0129nh v\u1ef1c xem x\u00e9t<\/h2>\n
Ph\u1ea7n th\u00e2n (ph\u00e2n \u0111o\u1ea1n ph\u00eda sau) k\u00e9o d\u00e0i \u1edf l\u1edbp da ph\u00eda sau b\u00ean ph\u1ea3i c\u1ee7a th\u1ee7y tinh th\u1ec3 \u0111\u1ebfn v\u00f5ng m\u1ea1c. N\u00f3 ch\u1ee9a \u0111\u1ea7y m\u1ed9t ch\u1ea5t l\u1ecfng g\u1ecdi l\u00e0 th\u1ee7y d\u1ecbch, v\u00e0 ch\u1ea5t l\u1ecfng n\u00e0y nu\u00f4i d\u01b0\u1ee1ng c\u00e1c c\u1ea5u tr\u00fac b\u00ean trong. \u00c1p l\u1ef1c do ch\u1ea5t l\u1ecfng n\u00e0y t\u1ea1o ra gi\u00fap duy tr\u00ec h\u00ecnh d\u1ea1ng c\u1ee7a nh\u00e3n c\u1ea7u. C\u00e1c t\u1ebf b\u00e0o h\u00ecnh que t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf v\u00f9ng ngo\u1ea1i vi c\u1ee7a v\u00f5ng m\u1ea1c.<\/p>\n
C\u00e1c y\u00eau c\u1ea7u ph\u1ed5 bi\u1ebfn l\u00e0 g\u00ec v\u00e0 nh\u1eefng r\u1ed1i lo\u1ea1n n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1ecb l\u1ef1c?<\/h2>\n
C\u00e1c m\u1eaft \u0111\u01a1n gi\u1ea3n (ocelli), m\u1ed9t trong nh\u1eefng c\u1ea5u tr\u00fac th\u1ecb gi\u00e1c \u0111\u01a1n gi\u1ea3n nh\u1ea5t, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf ch\u00f3 v\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i \u1ed1c s\u00ean. S\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u1ee7a m\u1ed7i m\u1eaft r\u1ea5t kh\u00e1c nhau; m\u1ed9t s\u1ed1 lo\u00e0i trilobite ch\u1ec9 c\u00f3 1 \u0111i\u1ec3m ti\u1ebfp x\u00fac, trong khi nh\u1eefng lo\u00e0i kh\u00e1c c\u00f3 h\u00e0ng ngh\u00ecn \u0111i\u1ec3m ti\u1ebfp x\u00fac cho m\u1ed7i th\u1ecb gi\u00e1c. V\u1edbi m\u1ed7i m\u1eaft t\u1ea1o ra m\u1ed9t h\u00ecnh \u1ea3nh ri\u00eang bi\u1ec7t, m\u1ed9t b\u1ee9c \u1ea3nh li\u00ean k\u1ebft, \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u0111\u01b0\u1ee3c t\u1ea1o ra trong n\u00e3o. Th\u1ecb gi\u00e1c c\u1ee7a nhi\u1ec1u sinh v\u1eadt, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt, s\u1eed d\u1ee5ng m\u1eaft hai m\u1eaft \u0111\u1ec3 t\u1ea1o \u1ea5n t\u01b0\u1ee3ng v\u1ec1 chi\u1ec1u s\u00e2u. Trong m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 s\u1ef1 ch\u00fa \u00fd ph\u1ee9c t\u1ea1p h\u01a1n, c\u00e1c t\u1ebf b\u00e0o h\u1ea1ch c\u1ea3m quang v\u00f5ng m\u1ea1c g\u1eedi t\u00edn hi\u1ec7u qua h\u1ec7 th\u1ed1ng v\u00f5ng m\u1ea1c-v\u00f9ng d\u01b0\u1edbi \u0111\u1ed3i \u0111\u1ebfn c\u00e1c nh\u00e2n tr\u00ean chiasma \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i nh\u1ecbp sinh h\u1ecdc v\u00e0 v\u00f9ng ti\u1ec1n th\u1ecb gi\u00e1c \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng \u0111\u1ed3ng t\u1eed.<\/p>\n","protected":false},"excerpt":{"rendered":"
Tuy nhi\u00ean, th\u1ecb gi\u00e1c ch\u1ec9 c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u1edf ph\u1ea7n gi\u1eefa c\u1ee7a m\u1eaft. M\u1ed9t m\u00e1y \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 ch\u1ee5p \u1ea3nh t\u0129nh tuy\u1ec7t v\u1eddi c\u00f3 kh\u1ea3 n\u0103ng thu \u0111\u01b0\u1ee3c 576 tri\u1ec7u \u0111i\u1ec3m \u1ea3nh \u0111\u1ed9c l\u1eadp trong m\u1ed9t h\u00ecnh \u1ea3nh duy nh\u1ea5t c\u00f3 th\u1ec3 t\u1ed1t h\u01a1n g\u1ea5p n\u0103m l\u1ea7n so v\u1edbi nh\u1eefng m\u00e1y \u1ea3nh …<\/p>\n
M\u1eaft: Ch\u1ee9c n\u0103ng, sinh l\u00fd h\u1ecdc v\u00e0 ti\u00eau chu\u1ea9n l\u00fd t\u01b0\u1edfng<\/span> Read More »<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[1],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"Carlos Dutra","author_link":"http:\/\/astra.bancariospontenova.org.br\/index.php\/author\/cutelo\/"},"uagb_comment_info":0,"uagb_excerpt":"Tuy nhi\u00ean, th\u1ecb gi\u00e1c ch\u1ec9 c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u1edf ph\u1ea7n gi\u1eefa c\u1ee7a m\u1eaft. M\u1ed9t m\u00e1y \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 ch\u1ee5p \u1ea3nh t\u0129nh tuy\u1ec7t v\u1eddi c\u00f3 kh\u1ea3 n\u0103ng thu \u0111\u01b0\u1ee3c 576 tri\u1ec7u \u0111i\u1ec3m \u1ea3nh \u0111\u1ed9c l\u1eadp trong m\u1ed9t h\u00ecnh \u1ea3nh duy nh\u1ea5t c\u00f3 th\u1ec3 t\u1ed1t h\u01a1n g\u1ea5p n\u0103m l\u1ea7n so v\u1edbi nh\u1eefng m\u00e1y \u1ea3nh…","_links":{"self":[{"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/posts\/23599"}],"collection":[{"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/comments?post=23599"}],"version-history":[{"count":1,"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/posts\/23599\/revisions"}],"predecessor-version":[{"id":23600,"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/posts\/23599\/revisions\/23600"}],"wp:attachment":[{"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/media?parent=23599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/categories?post=23599"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/astra.bancariospontenova.org.br\/index.php\/wp-json\/wp\/v2\/tags?post=23599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}