T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum<\/p>\n\n\n\n
C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng kh\u1ee7ng long ra \u0111\u1eddi c\u00e1ch nay c\u0169ng 180 tri\u1ec7u n\u0103m v\u00e0 tuy\u1ec7t ch\u1ee7ng c\u00e1ch nay c\u0169ng 60 tri\u1ec7u n\u0103m. Kh\u1ee7ng long l\u00e0 lo\u00e0i b\u00f2 s\u00e1t, v\u1eady th\u00ec n\u00f3 c\u0169ng ph\u1ea3i ph\u00e1t tri\u1ec3n t\u1eeb lo\u00e0i b\u00f2 s\u00e1t \u0111\u00e3 s\u1ed1ng tr\u01b0\u1edbc n\u00f3. B\u00f2 s\u00e1t l\u00e0 m\u1ed9t l\u1edbp th\u00fa v\u1edbi nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m sau: m\u00e1u l\u1ea1nh, c\u00f3 th\u1ec3 s\u1ed1ng tr\u00ean c\u1ea1n, tr\u00e1i tim c\u1ea5u tr\u00fac theo ki\u1ec3u \u0111\u1eb7c bi\u1ec7t v\u00e0 h\u1ea7u h\u1ebft \u0111\u1ec1u c\u00f3 v\u1ea3y.<\/p>\n\n\n\n
Lo\u00e0i b\u00f2 s\u00e1t xu\u1ea5t hi\u1ec7n t\u1eeb r\u1ea5t l\u00e2u tr\u01b0\u1edbc khi kh\u1ee7ng long ra \u0111\u1eddi. Ch\u00fang nom nh\u01b0 lo\u00e0i l\u01b0\u1ee1ng th\u00ea, nh\u01b0ng \u0111\u1ebb tr\u1ee9ng tr\u00ean c\u1ea1n. B\u00f2 s\u00e1t con c\u00f3 ch\u00e2n v\u00e0 ph\u1ed5i, c\u00f3 th\u1ec3 h\u00edt th\u1edf kh\u00f4ng kh\u00ed v\u00e0 c\u00f3 l\u1ebd l\u00e0 \u0103n c\u00f4n tr\u00f9ng.<\/p>\n\n\n\n
L\u1ea7n l\u1ea7n b\u00f2 s\u00e1t ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n v\u1ec1 k\u00edch c\u1ee1 v\u00e0 s\u1ee9c m\u1ea1nh. C\u00f3 gi\u1ed1ng th\u00ec nom nh\u01b0 th\u1eb1n l\u1eb1n, c\u00f3 gi\u1ed1ng th\u00ec nom nh\u01b0 con r\u00f9a. \u0111u\u00f4i ng\u1eafn, ch\u00e2n th\u00f4 k\u1ec7ch, \u0111\u1ea7u to v\u00e0 \u0103n th\u1ea3o m\u1ed9c.<\/p>\n\n\n\n
Nh\u1eefng con kh\u1ee7ng long m\u1edbi ph\u00e1t tri\u1ec3n nom c\u0169ng gi\u1ed1ng v\u1edbi t\u1ed5 ti\u00ean b\u00f2 s\u00e1t c\u1ee7a ch\u00fang ta l\u00e0 nh\u1eefng con th\u1eb1n l\u1eb1n, \u0111i b\u1eb1ng ch\u00e2n sau. Nh\u1eefng con kh\u1ee7ng long \u0111\u1ea7u ti\u00ean kh\u00f4ng b\u1ef1 l\u1eafm \u0111\u00e2u. Ch\u1ec9 b\u1eb1ng c\u1ee1 con g\u00e0 l\u00f4i v\u00e0 c\u0169ng \u0111i b\u1eb1ng hai ch\u00e2n sau. C\u00f3 m\u1ed9t v\u00e0i gi\u1ed1ng kh\u1ee7ng long c\u1ee9 gi\u1eef m\u00e3i t\u1ea7m v\u00f3c \u1ea5y. Nh\u01b0ng c\u0169ng c\u00f3 v\u00e0i gi\u1ed1ng ph\u00e1t t\u01b0\u1edbng kinh kh\u1ee7ng: v\u1eeba t\u0103ng tr\u1ecdng v\u1eeba t\u0103ng t\u1ea7m v\u00f3c. Nhi\u1ec1u gi\u1ed1ng d\u00e0i t\u1eeb 1,8m \u0111\u1ebfn 2m, th\u1eadm ch\u00ed c\u00f3 gi\u1ed1ng d\u00e0i t\u1edbi 7m v\u00e0 n\u1eb7ng g\u1ea5p m\u1ea5y l\u1ea7n con voi. Nh\u01b0ng c\u00e1i \u0111\u1ea7u th\u00ec qu\u00e1 nh\u1ecf v\u00e0 ng\u1eafn, kh\u00f4ng c\u00e2n x\u1ee9ng t\u00ed n\u00e0o v\u1edbi c\u00e1i th\u00e2n x\u00e1c d\u1ec1nh d\u00e0ng. R\u0103ng th\u00ec \u201cc\u00f9n\u201d nh\u01b0ng l\u1ea1i r\u1ea5t ti\u1ec7n d\u1ee5ng cho vi\u1ec7c \u0103n\u2026 c\u1ecf v\u00e0 th\u1ef1c v\u1eadt nh\u1ecf. Ch\u00fang s\u1ed1ng \u1edf nh\u1eefng n\u01a1i tr\u0169ng ho\u1eb7c \u0111\u1ea7m l\u1ea7y.<\/p>\n\n\n\n
Sau th\u1eddi \u0111\u1ea1i b\u00f2 s\u00e1t th\u00ec th\u00e2n th\u1ec3 kh\u1ee7ng long ph\u00e1t tri\u1ec3n kinh kh\u1ee7ng \u0111\u1ebfn n\u1ed7i b\u1ed1n ch\u00e2n c\u1ee7a ch\u00fang kh\u00f4ng n\u00e2ng \u0111\u01b0\u1ee3c c\u00e1i th\u00e2n th\u1ec3 qu\u00e1 kh\u1ed5 c\u1ee7a ch\u00fang l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t. B\u1edfi v\u1eady h\u1ea7u h\u1ebft cu\u1ed9c \u0111\u1eddi c\u1ee7a ch\u00fang ph\u1ea3i s\u1ed1ng d\u01b0\u1edbi n\u01b0\u1edbc ho\u1eb7c \u0111\u1ea7m l\u1ea7y. m\u1ed9t trong nh\u1eefng gi\u1ed1ng kh\u1ee7ng long kh\u1ed5ng l\u1ed3 \u1ea5y l\u00e0 th\u1eb1n l\u1eb1n s\u1ea5m (l\u00f4i long) c\u00f3 chi\u1ec1u d\u00e0i t\u1eeb 21,5m \u0111\u1ebfn 25m v\u00e0 n\u1eb7ng kho\u1ea3ng 38 t\u1ea5n.<\/p>\n\n\n\n
C\u0169ng v\u00e0o th\u1eddi \u0111\u00f3 c\u00f3 nh\u1eefng kh\u1ee7ng long \u0111i \u0111\u01b0\u1ee3c tr\u00ean c\u1ea1n. m\u1ed9t trong nh\u1eefng gi\u1ed1ng kh\u1ee7ng long n\u00e0y l\u00e0 \u201cchuy\u1ec3n d\u1ecb long\u201d (allosaurus) ch\u1ec9 d\u00e0i b\u1eb1ng n\u1eeda con l\u00f4i long (th\u1eb1n l\u1eb1n s\u1ea5m) nh\u01b0ng l\u1ea1i \u0103n th\u1ecbt l\u00f4i long v\u00e0 c\u00e1c lo\u00e0i kh\u1ee7ng long \u0103n th\u1ef1c v\u1eadt kh\u00e1c.<\/p>\n\n\n\n
V\u1eady th\u00ec kh\u1ee7ng long ch\u1ec9 l\u00e0 m\u1ed9t giai \u0111o\u1ea1n trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a lo\u00e0i b\u00f2 s\u00e1t. Kh\u1ee7ng long tuy\u1ec7t ch\u1ee7ng v\u00ec kh\u00ed h\u1eadu \u0111\u1ecba c\u1ea7u thay \u0111\u1ed5i l\u00e0m ch\u00fang m\u1ea5t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng kh\u1ee7ng long ra \u0111\u1eddi c\u00e1ch nay c\u0169ng 180 tri\u1ec7u n\u0103m v\u00e0 tuy\u1ec7t ch\u1ee7ng c\u00e1ch nay c\u0169ng 60 tri\u1ec7u n\u0103m. Kh\u1ee7ng long l\u00e0 lo\u00e0i b\u00f2 s\u00e1t, v\u1eady th\u00ec n\u00f3 c\u0169ng ph\u1ea3i ph\u00e1t tri\u1ec3n t\u1eeb […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-14542","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=14542"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14542\/revisions"}],"predecessor-version":[{"id":14543,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14542\/revisions\/14543"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}