{"id":16236,"date":"2023-10-30T03:50:07","date_gmt":"2023-10-30T03:50:07","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16236"},"modified":"2023-10-30T03:50:07","modified_gmt":"2023-10-30T03:50:07","slug":"trumpetfish-masters-mimicry-marine-world","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/marine-biology\/trumpetfish-masters-mimicry-marine-world\/","title":{"rendered":"C\u00e1 k\u00e8n: b\u1eadc th\u1ea7y ng\u1ee5y trang trong th\u1ebf gi\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng"},"content":{"rendered":"

C\u00e1 k\u00e8n: b\u1eadc th\u1ea7y ng\u1ee5y trang trong th\u1ebf gi\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng<\/h2>\n\n

M\u1edf \u0111\u1ea7u<\/h2>\n\n

Trong v\u00f9ng n\u01b0\u1edbc r\u1ef1c r\u1ee1 c\u1ee7a T\u00e2y \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng, m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c s\u0103n m\u1ed3i h\u1ea5p d\u1eabn \u0111\u00e3 ph\u00e1t tri\u1ec3n gi\u1eefa nh\u1eefng lo\u00e0i c\u00e1 k\u00e8n m\u1ea3nh mai v\u00e0 thon d\u00e0i. Nh\u1eefng k\u1ebb s\u0103n m\u1ed3i bi\u1ec3n n\u00e0y \u0111\u00e3 th\u00e0nh th\u1ea1o ngh\u1ec7 thu\u1eadt ng\u1ee5y trang b\u1eb1ng c\u00e1ch b\u01a1i c\u00f9ng nh\u1eefng lo\u00e0i c\u00e1 v\u1eb9t l\u1edbn h\u01a1n v\u00e0 nhi\u1ec1u m\u00e0u s\u1eafc h\u01a1n, gi\u00fap ch\u00fang che gi\u1ea5u m\u00ecnh hi\u1ec7u qu\u1ea3 tr\u01b0\u1edbc nh\u1eefng con m\u1ed3i kh\u00f4ng h\u1ec1 hay bi\u1ebft.<\/p>\n\n

K\u1ef9 thu\u1eadt s\u0103n m\u1ed3i \u0111\u1ed9c \u0111\u00e1o: B\u00e1m \u0111u\u00f4i<\/h2>\n\n

H\u00e0nh vi b\u00e1m \u0111u\u00f4i c\u1ee7a c\u00e1 k\u00e8n l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111\u00e1ng ch\u00fa \u00fd v\u1ec1 kh\u1ea3 n\u0103ng b\u1eaft ch\u01b0\u1edbc c\u1ee7a \u0111\u1ed9ng v\u1eadt. B\u1eb1ng c\u00e1ch n\u00e9p m\u00ecnh b\u00ean c\u1ea1nh nh\u1eefng con c\u00e1 v\u1eb9t, v\u1ed1n l\u00e0 lo\u00e0i \u0103n c\u1ecf v\u00e0 kh\u00f4ng g\u00e2y ra m\u1ed1i \u0111e d\u1ecda n\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c lo\u00e0i c\u00e1 kh\u00e1c, c\u00e1 k\u00e8n c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn con m\u1ed3i nh\u1ecf m\u00e0 kh\u00f4ng l\u00e0m ch\u00fang ho\u1ea3ng s\u1ee3. Chi\u1ebfn thu\u1eadt th\u00f4ng minh n\u00e0y cho ph\u00e9p ch\u00fang \u0111\u1ebfn \u0111\u1ee7 g\u1ea7n \u0111\u1ec3 tung ra m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea5t ng\u1edd, h\u00fat n\u1ea1n nh\u00e2n v\u00e0o mi\u1ec7ng b\u1eb1ng chi\u1ebfc m\u00f5m d\u00e0i c\u1ee7a m\u00ecnh.<\/p>\n\n

B\u1eb1ng ch\u1ee9ng th\u1ef1c nghi\u1ec7m v\u1ec1 kh\u1ea3 n\u0103ng b\u1eaft ch\u01b0\u1edbc c\u1ee7a c\u00e1 k\u00e8n<\/h2>\n\n

\u0110\u1ec3 ch\u1ee9ng minh hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c b\u00e1m \u0111u\u00f4i nh\u01b0 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c s\u0103n m\u1ed3i, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t lo\u1ea1t c\u00e1c th\u00ed nghi\u1ec7m s\u1eed d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh c\u00e1 k\u00e8n v\u00e0 c\u00e1 v\u1eb9t \u0111\u01b0\u1ee3c in 3D. Nh\u1eefng m\u00f4 h\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o d\u00e2y nilon v\u00e0 th\u1ea3 xu\u1ed1ng c\u00e1c \u0111\u00e0n c\u00e1 s\u1ed1ng c\u1ee7a m\u1ed9t lo\u00e0i m\u1ed3i ph\u1ed5 bi\u1ebfn l\u00e0 c\u00e1 thia hai m\u00e0u.<\/p>\n\n

K\u1ebft qu\u1ea3 cho th\u1ea5y khi ch\u1ec9 c\u00f3 m\u00f4 h\u00ecnh c\u00e1 v\u1eb9t xu\u1ea5t hi\u1ec7n, c\u00e1 thia v\u1eabn b\u00ecnh t\u0129nh. Tuy nhi\u00ean, khi m\u00f4 h\u00ecnh c\u00e1 k\u00e8n ti\u1ebfp c\u1eadn m\u1ed9t m\u00ecnh, c\u00e1 thia nhanh ch\u00f3ng b\u1ecf ch\u1ea1y. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 khi m\u00f4 h\u00ecnh c\u00e1 k\u00e8n \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o b\u00ean c\u1ea1nh m\u00f4 h\u00ecnh c\u00e1 v\u1eb9t, ph\u1ea3n \u1ee9ng c\u1ee7a c\u00e1 thia b\u1ecb ch\u1eadm l\u1ea1i, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u1ea3n \u1ee9ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi ri\u00eang c\u00e1 v\u1eb9t. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng h\u00e0nh vi b\u00e1m \u0111u\u00f4i l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n ra c\u00e1 k\u00e8n.<\/p>\n\n

R\u1ea1n san h\u00f4: M\u00f4i tr\u01b0\u1eddng s\u1ed1ng quan tr\u1ecdng cho h\u00e0nh vi b\u00e1m \u0111u\u00f4i<\/h2>\n\n

C\u00e1c r\u1ea1n san h\u00f4 cung c\u1ea5p m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng l\u00fd t\u01b0\u1edfng cho h\u00e0nh vi b\u00e1m \u0111u\u00f4i c\u1ee7a c\u00e1 k\u00e8n. C\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p c\u1ee7a san h\u00f4 mang \u0111\u1ebfn nhi\u1ec1u n\u01a1i \u1ea9n n\u1ea5p cho c\u00e1 k\u00e8n, cho ph\u00e9p ch\u00fang ph\u1ee5c k\u00edch con m\u1ed3i t\u1eeb kho\u1ea3ng c\u00e1ch g\u1ea7n. Tuy nhi\u00ean, khi c\u00e1c r\u1ea1n san h\u00f4 ti\u1ebfp t\u1ee5c suy tho\u00e1i do ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, c\u00e1 k\u00e8n c\u00f3 th\u1ec3 bu\u1ed9c ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh c\u00e1c chi\u1ebfn l\u01b0\u1ee3c s\u0103n m\u1ed3i c\u1ee7a m\u00ecnh.<\/p>\n\n

C\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00e1c s\u1eed d\u1ee5ng h\u00e0nh vi b\u00e1m \u0111u\u00f4i<\/h2>\n\n

M\u1eb7c d\u00f9 c\u00e1 k\u00e8n l\u00e0 lo\u00e0i phi nh\u00e2n\u985e \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ghi nh\u1eadn s\u1eed d\u1ee5ng h\u00e0nh vi b\u00e1m \u0111u\u00f4i nh\u01b0 m\u1ed9t chi\u1ebfn thu\u1eadt s\u0103n m\u1ed3i, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tin r\u1eb1ng c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c chi\u1ebfn thu\u1eadt t\u01b0\u01a1ng t\u1ef1. Khi c\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 nh\u1eefng h\u00e0nh vi \u0111a d\u1ea1ng c\u1ee7a c\u00e1c sinh v\u1eadt bi\u1ec3n, c\u00f3 kh\u1ea3 n\u0103ng nhi\u1ec1u v\u00ed d\u1ee5 h\u01a1n v\u1ec1 kh\u1ea3 n\u0103ng b\u1eaft ch\u01b0\u1edbc v\u00e0 ng\u1ee5y trang s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/p>\n\n

\u00dd ngh\u0129a \u0111\u1ed1i v\u1edbi b\u1ea3o t\u1ed3n bi\u1ec3n<\/h2>\n\n

S\u1ef1 suy tho\u00e1i c\u1ee7a c\u00e1c r\u1ea1n san h\u00f4 c\u00f3 t\u00e1c \u0111\u1ed9ng s\u00e2u s\u1eafc \u0111\u1ebfn c\u00e1c h\u1ec7 sinh th\u00e1i bi\u1ec3n, bao g\u1ed3m c\u1ea3 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c s\u0103n m\u1ed3i c\u1ee7a c\u00e1 k\u00e8n. N\u1ebfu t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c r\u1ea1n san h\u00f4 ti\u1ebfp t\u1ee5c x\u1ea5u \u0111i, c\u00e1 k\u00e8n c\u00f3 th\u1ec3 ng\u00e0y c\u00e0ng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c b\u00e1m theo c\u00e1c sinh v\u1eadt kh\u00e1c \u0111\u1ec3 \u0111\u01b0\u1ee3c che ch\u1edf, d\u1eabn \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i ti\u1ec1m t\u00e0ng trong t\u01b0\u01a1ng t\u00e1c gi\u1eefa \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt v\u00e0 con m\u1ed3i. Vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng th\u00edch nghi c\u1ee7a c\u00e1c lo\u00e0i bi\u1ec3n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 nh\u1eb1m b\u1ea3o v\u1ec7 nh\u1eefng h\u1ec7 sinh th\u00e1i m\u1ecfng manh n\u00e0y.<\/p>\n\n

K\u1ebft lu\u1eadn<\/h2>\n\n

H\u00e0nh vi b\u00e1m \u0111u\u00f4i c\u1ee7a c\u00e1 k\u00e8n l\u00e0 m\u1ed9t v\u00ed d\u1ee5 h\u1ea5p d\u1eabn v\u1ec1 c\u00e1ch c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0111\u00e3 ph\u00e1t tri\u1ec3n nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c sinh t\u1ed3n kh\u00e9o l\u00e9o trong m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang. Th\u00f4ng qua kh\u1ea3 n\u0103ng b\u1eaft ch\u01b0\u1edbc v\u00e0 ng\u1ee5y trang, c\u00e1 k\u00e8n khai th\u00e1c h\u00e0nh vi c\u1ee7a c\u00e1c lo\u00e0i kh\u00e1c \u0111\u1ec3 gi\u00e0nh l\u1ee3i th\u1ebf c\u1ea1nh tranh. Khi c\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 nh\u1eefng b\u00ed \u1ea9n c\u1ee7a th\u1ebf gi\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i kh\u00e1m ph\u00e1 ra nhi\u1ec1u kh\u1ea3 n\u0103ng th\u00edch nghi v\u00e0 h\u00e0nh vi \u0111\u00e1ng ch\u00fa \u00fd h\u01a1n n\u1eefa gi\u1eefa nh\u1eefng c\u01b0 d\u00e2n c\u1ee7a n\u00f3.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00e1 k\u00e8n: b\u1eadc th\u1ea7y ng\u1ee5y trang trong th\u1ebf gi\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng M\u1edf \u0111\u1ea7u Trong v\u00f9ng n\u01b0\u1edbc r\u1ef1c r\u1ee1 c\u1ee7a T\u00e2y \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng, m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c s\u0103n m\u1ed3i h\u1ea5p d\u1eabn…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[21538,309,743,3512,363,361,15432],"class_list":["post-16236","post","type-post","status-publish","format-standard","hentry","category-marine-biology","tag-trumpetfish","tag-animal-behavior","tag-camouflage","tag-mimicry","tag-coral-reefs","tag-marine-biology","tag-predator-prey-interactions"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16236","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=16236"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16236\/revisions"}],"predecessor-version":[{"id":16237,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16236\/revisions\/16237"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=16236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=16236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=16236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}