{"id":17600,"date":"2021-07-26T21:08:42","date_gmt":"2021-07-26T21:08:42","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=17600"},"modified":"2021-07-26T21:08:42","modified_gmt":"2021-07-26T21:08:42","slug":"ancient-cats-drove-ancient-dogs-to-extinction","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/life-science\/ancient-cats-drove-ancient-dogs-to-extinction\/","title":{"rendered":"M\u00e8o c\u1ed5 \u0111\u1ea1i: Th\u1ee7 ph\u1ea1m khi\u1ebfn lo\u00e0i ch\u00f3 c\u1ed5 \u0111\u1ea1i tuy\u1ec7t ch\u1ee7ng"},"content":{"rendered":"

M\u00e8o c\u1ed5 \u0111\u1ea1i: Th\u1ee7 ph\u1ea1m khi\u1ebfn lo\u00e0i ch\u00f3 c\u1ed5 \u0111\u1ea1i tuy\u1ec7t ch\u1ee7ng<\/h2>\n\n

S\u1ef1 c\u1ea1nh tranh v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u1edf k\u1ef7 Eocen<\/h2>\n\n

Trong k\u1ef7 Eocen, c\u00e1ch \u0111\u00e2y kho\u1ea3ng 55,8-33,9 tri\u1ec7u n\u0103m, Tr\u00e1i \u0111\u1ea5t \u0111\u00e3 ch\u1ee9ng ki\u1ebfn s\u1ef1 gia t\u0103ng \u0111\u1ed9t bi\u1ebfn v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa. C\u00e1c lo\u00e0i linh tr\u01b0\u1edfng m\u1edbi xu\u1ea5t hi\u1ec7n v\u00e0 B\u1eafc M\u1ef9 l\u00e0 n\u01a1i sinh s\u1ed1ng c\u1ee7a nhi\u1ec1u lo\u00e0i ch\u00f3, v\u1edbi s\u1ed1 l\u01b0\u1ee3ng kho\u1ea3ng 30 lo\u00e0i. Tuy nhi\u00ean, m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng h\u1ea7u h\u1ebft nh\u1eefng lo\u00e0i ch\u00f3 c\u1ed5 \u0111\u1ea1i n\u00e0y \u0111\u00e3 bi\u1ebfn m\u1ea5t \u0111\u1ed9t ng\u1ed9t v\u00e0o kho\u1ea3ng 20 tri\u1ec7u n\u0103m tr\u01b0\u1edbc. Th\u1ee7 ph\u1ea1m l\u00e0 g\u00ec? M\u00e8o th\u1eddi k\u1ef3 \u0111\u1ea7u.<\/p>\n\n

Vai tr\u00f2 c\u1ea1nh tranh<\/h2>\n\n

Nh\u00e0 sinh h\u1ecdc t\u00ednh to\u00e1n \u0111\u1ed3ng th\u1eddi l\u00e0 t\u00e1c gi\u1ea3 ch\u00ednh Daniele Silvestro cho bi\u1ebft, trong khi nhi\u1ec1u nh\u00f3m \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt c\u00f3 th\u1ec3 \u0111\u00e3 c\u1ea1nh tranh v\u1edbi ch\u00f3, th\u00ec h\u1ecd m\u00e8o (m\u00e8o) l\u1ea1i cho th\u1ea5y b\u1eb1ng ch\u1ee9ng c\u1ea1nh tranh thuy\u1ebft ph\u1ee5c nh\u1ea5t. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n c\u1ee5 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a lo\u00e0i ch\u00f3 c\u1ed5 \u0111\u1ea1i, Silvestro v\u00e0 nh\u00f3m c\u1ee7a \u00f4ng \u0111\u00e3 ph\u00e2n t\u00edch h\u01a1n 2.000 m\u1eabu h\u00f3a th\u1ea1ch c\u1ee7a c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt c\u00f9ng t\u1ed3n t\u1ea1i trong giai \u0111o\u1ea1n t\u1eeb 20-40 tri\u1ec7u n\u0103m tr\u01b0\u1edbc.<\/p>\n\n

So s\u00e1nh h\u00ecnh d\u1ea1ng c\u01a1 th\u1ec3<\/h2>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 so s\u00e1nh h\u00ecnh d\u1ea1ng c\u01a1 th\u1ec3 c\u1ee7a c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt nh\u01b0 g\u1ea5u, s\u00f3i v\u00e0 m\u00e8o l\u1edbn \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh ti\u1ec1m n\u0103ng v\u1ec1 th\u1ee9c \u0103n gi\u1eefa b\u1ed1i c\u1ea3nh kh\u00ed h\u1eadu bi\u1ebfn \u0111\u1ed5i c\u1ee7a h\u00e0nh tinh. M\u00e8o c\u1ed5 \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e8o r\u0103ng ki\u1ebfm gi\u1ea3, n\u1ed5i l\u00ean nh\u01b0 nh\u1eefng nghi ph\u1ea1m ch\u00ednh. Nh\u1eefng lo\u00e0i m\u00e8o n\u00e0y c\u00f3 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi lo\u00e0i ch\u00f3, ch\u00fang \u0103n nh\u1eefng con m\u1ed3i t\u01b0\u01a1ng t\u1ef1 v\u00e0 ph\u00e1t tri\u1ec3n m\u1ea1nh trong c\u00f9ng th\u1eddi k\u1ef3 m\u00e0 lo\u00e0i ch\u00f3 bi\u1ebfn m\u1ea5t nhanh ch\u00f3ng kh\u1ecfi h\u1ed3 s\u01a1 h\u00f3a th\u1ea1ch.<\/p>\n\n

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu so v\u1edbi s\u1ef1 c\u1ea1nh tranh<\/h2>\n\n

Theo truy\u1ec1n th\u1ed1ng, bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t l\u1ef1c l\u01b0\u1ee3ng ch\u1ee7 \u0111\u1ea1o th\u00fac \u0111\u1ea9y s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a \u0111a d\u1ea1ng sinh h\u1ecdc. Tuy nhi\u00ean, nghi\u00ean c\u1ee9u c\u1ee7a Silvestro ch\u1ec9 ra r\u1eb1ng s\u1ef1 c\u1ea1nh tranh gi\u1eefa c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng h\u01a1n n\u1eefa trong s\u1ef1 suy gi\u1ea3m c\u1ee7a lo\u00e0i ch\u00f3. M\u1eb7c d\u00f9 kh\u00ed h\u1eadu c\u1ee7a h\u00e0nh tinh thay \u0111\u1ed5i nhanh ch\u00f3ng, lo\u00e0i m\u00e8o v\u1eabn ch\u1ee9ng t\u1ecf ch\u00fang l\u00e0 nh\u1eefng lo\u00e0i s\u0103n m\u1ed3i l\u1ee3i h\u1ea1i h\u01a1n, \u0111\u00e1nh b\u1ea1i c\u00e1c \u0111\u1ed1i th\u1ee7 l\u00e0 lo\u00e0i ch\u00f3.<\/p>\n\n

S\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a ch\u00f3 v\u00e0 m\u00e8o<\/h2>\n\n

M\u1eb7c d\u00f9 m\u00e8o th\u1eddi k\u1ef3 \u0111\u1ea7u c\u00f3 th\u1ec3 \u0111\u00e3 khi\u1ebfn nhi\u1ec1u lo\u00e0i ch\u00f3 c\u1ed5 \u0111\u1ea1i tuy\u1ec7t ch\u1ee7ng, nh\u01b0ng lo\u00e0i ch\u00f3 \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c l\u1ee3i th\u1ebf nh\u1edd s\u1ef1 h\u1ee3p t\u00e1c c\u1ee7a ch\u00fang v\u1edbi con ng\u01b0\u1eddi. B\u1eb1ng ch\u1ee9ng di truy\u1ec1n ch\u1ec9 ra r\u1eb1ng ch\u00f3 t\u00e1ch ra kh\u1ecfi lo\u00e0i s\u00f3i c\u00e1ch \u0111\u00e2y kho\u1ea3ng 27.000 n\u0103m, s\u1edbm h\u01a1n nhi\u1ec1u so v\u1edbi suy ngh\u0129 tr\u01b0\u1edbc \u0111\u00e2y. Ng\u01b0\u1ee3c l\u1ea1i, m\u00e8o hoang ch\u1ec9 b\u1eaft \u0111\u1ea7u li\u00ean k\u1ebft v\u1edbi con ng\u01b0\u1eddi v\u00e0o kho\u1ea3ng 9.500 n\u0103m tr\u01b0\u1edbc.<\/p>\n\n

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

S\u1ef1 c\u1ea1nh tranh gi\u1eefa m\u00e8o v\u00e0 ch\u00f3 \u0111\u00e3 k\u00e9o d\u00e0i h\u00e0ng tri\u1ec7u n\u0103m. V\u00e0o k\u1ef7 Eocen, m\u00e8o c\u1ed5 \u0111\u1ea1i \u0111\u00e3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh trong s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a nhi\u1ec1u lo\u00e0i ch\u00f3 c\u1ed5 \u0111\u1ea1i. Cu\u1ed9c c\u1ea1nh tranh gi\u00e0nh th\u1ee9c \u0103n v\u00e0 t\u00e0i nguy\u00ean, ch\u1ee9 kh\u00f4ng ph\u1ea3i bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 \u0111\u1ed9ng l\u1ef1c ch\u00ednh th\u00fac \u0111\u1ea9y s\u1ef1 ki\u1ec7n tuy\u1ec7t ch\u1ee7ng n\u00e0y. M\u1eb7c d\u00f9 m\u00e8o \u0111\u00e3 chi\u1ebfn th\u1eafng trong cu\u1ed9c chi\u1ebfn th\u1eddi k\u1ef3 \u0111\u1ea7u n\u00e0y, nh\u01b0ng cu\u1ed1i c\u00f9ng, lo\u00e0i ch\u00f3 \u0111\u00e3 gi\u00e0nh \u0111\u01b0\u1ee3c l\u1ee3i th\u1ebf nh\u1edd m\u1ed1i quan h\u1ec7 \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u00fang v\u1edbi con ng\u01b0\u1eddi.<\/p>","protected":false},"excerpt":{"rendered":"

M\u00e8o c\u1ed5 \u0111\u1ea1i: Th\u1ee7 ph\u1ea1m khi\u1ebfn lo\u00e0i ch\u00f3 c\u1ed5 \u0111\u1ea1i tuy\u1ec7t ch\u1ee7ng S\u1ef1 c\u1ea1nh tranh v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u1edf k\u1ef7 Eocen Trong k\u1ef7 Eocen, c\u00e1ch \u0111\u00e2y kho\u1ea3ng 55,8-33,9…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[398],"tags":[5638,3162,137,7077,23121,342,23120,141,23119,911,17918,136,400],"class_list":["post-17600","post","type-post","status-publish","format-standard","hentry","category-life-science","tag-predation","tag-competition","tag-paleontology","tag-mammals","tag-felids","tag-life-science","tag-eocene-era","tag-natural-history","tag-ancient-cats","tag-science-art","tag-ancient-dogs","tag-evolution","tag-extinction"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17600","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=17600"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17600\/revisions"}],"predecessor-version":[{"id":17601,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17600\/revisions\/17601"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=17600"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=17600"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=17600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}