C\u00f3 m\u1ed9t lo\u00e0i sinh v\u1eadt c\u00f3 h\u00ecnh d\u00e1ng ho\u1eb7c h\u00ecnh tr\u00f2n, ho\u1eb7c h\u00ecnh l\u00e1, c\u00f3 lo\u1ea1i th\u1eadm ch\u00ed gi\u1ed1ng nh\u01b0 k\u1ebft c\u1ea5u c\u1ee7a th\u1ef1c v\u1eadt c\u00f3 r\u1ec5, th\u00e2n, l\u00e1, nh\u01b0ng ch\u00fang ch\u1eafc ch\u1eafn kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ef1c v\u1eadt, b\u1edfi v\u00ec nh\u00ecn v\u1ec1 c\u1ea5u t\u1ea1o t\u1ed5 ch\u1ee9c, lo\u00e0i sinh v\u1eadt n\u00e0y c\u00f3 k\u1ebft c\u1ea5u gi\u1ed1ng nh\u01b0 \u0111\u1ed9ng v\u1eadt xoang tr\u00e0ng. Nh\u01b0ng n\u1ebfu n\u00f3i ch\u00fang l\u00e0 \u0111\u1ed9ng v\u1eadt th\u00ec h\u00ecnh nh\u01b0 c\u0169ng kh\u00f4ng c\u00f3 l\u00ed, b\u1edfi v\u00ec c\u1ea3 \u0111\u1ebfn mi\u1ec7ng, h\u1eadu m\u00f4n ch\u00fang c\u0169ng \u0111\u1ec1u kh\u00f4ng c\u00f3, th\u1eadm ch\u00ed c\u0169ng kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng v\u1eadn \u0111\u1ed9ng. V\u1eady th\u00ec, r\u1ed1t cu\u1ed9c, nh\u1eefng lo\u00e0i n\u00e0y l\u00e0 lo\u00e0i g\u00ec?<\/p>\n\n\n\n
N\u0103m 1946, khi nh\u00e0 khoa h\u1ecdc Australia ti\u1ebfn h\u00e0nh ki\u1ec3m tra \u0111\u1ecba ch\u1ea5t \u1edf v\u00f9ng mi\u1ec1n trung Ch\u00e2u \u00fac, m\u1ed9t \u0111\u1ecba ph\u01b0\u01a1ng \u1edf ph\u00eda B\u1eafc Adelaide, \u0111\u00e3 ph\u00e1t hi\u1ec7n m\u1ed9t lo\u1ea1i qu\u1ea7n th\u1ec3 sinh v\u1eadt ho\u00e1 th\u1ea1ch \u0111\u1eb7c bi\u1ec7t. \u0110i\u1ec1u khi\u1ebfn m\u1ecdi ng\u01b0\u1eddi c\u1ea3m th\u1ea5y k\u00ec l\u1ea1 l\u00e0 nh\u1eefng sinh v\u1eadt n\u00e0y kh\u00f4ng c\u00f3 b\u1ea5t c\u1ee9 c\u1ea5u t\u1ea1o b\u1ed9 x\u01b0\u01a1ng n\u00e0o, c\u01a1 th\u1ec3 x\u00e1c m\u1ec1m, ngo\u00e0i ra trong \u0111\u00f3 \u0111\u1ea1i b\u1ed9 ph\u1eadn, kh\u00f4ng \u00edt c\u01a1 th\u1ec3 d\u00e0i tr\u00ean 1 m. Khi g\u1eb7p s\u1ef1 t\u1ea5n c\u00f4ng \u0111\u1ed9t ng\u1ed9t c\u1ee7a gi\u00f3 b\u00e3o, nh\u1eefng sinh v\u1eadt n\u00e0y \u0111\u00e3 b\u1ecb c\u00e1t v\u00f9i trong l\u1edbp \u0111\u1ea5t. L\u00e2u ng\u00e0y, trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t, c\u00e1c h\u1ea1t c\u00e1t \u0111\u00e3 kh\u1eafc h\u00ecnh d\u1ea1ng c\u1ee7a ch\u00fang l\u00ean tr\u00ean ho\u00e1 th\u1ea1ch, khi\u1ebfn cho con ng\u01b0\u1eddi ng\u00e0y nay c\u00f3 c\u01a1 h\u1ed9i nh\u00ecn th\u1ea5y lo\u1ea1i sinh v\u1eadt kh\u00f4ng th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng n\u1ed5i n\u00e0y.<\/p>\n\n\n\n
Qua nghi\u00ean c\u1ee9u k\u0129, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n, \u0111\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i qu\u1ea7n th\u1ec3 sinh v\u1eadt t\u1ed3n t\u1ea1i c\u00e1ch \u0111\u00e2y kho\u1ea3ng 600 tri\u1ec7u n\u0103m, \u0111\u1ecba ch\u1ea5t h\u1ecdc g\u1ecdi l\u00e0 k\u1ec9 Ven\u0111i (\u0111\u1ea1i nguy\u00ean sinh). Do l\u00fac \u0111\u00f3 c\u00f2n ch\u01b0a c\u00f3 k\u1ebb th\u00f9 t\u1ef1 nhi\u00ean n\u00e0o uy hi\u1ebfp \u0111\u1ebfn s\u1ef1 sinh t\u1ed3n c\u1ee7a ch\u00fang, b\u1edfi v\u1eady, nh\u1eefng sinh v\u1eadt kh\u00f4ng c\u00f3 b\u1ed9 x\u01b0\u01a1ng n\u00e0y c\u00f3 th\u1ec3 n\u1eb1m d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n c\u00f9ng v\u1edbi s\u1ef1 d\u1eadp d\u1eddn c\u1ee7a s\u00f3ng bi\u1ec3n, l\u1ee3i d\u1ee5ng t\u00e1c d\u1ee5ng c\u1ee7a da, ho\u1eb7c h\u1ea5p thu ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 oxi t\u1eeb trong n\u01b0\u1edbc bi\u1ec3n, ho\u1eb7c l\u00e0 c\u1ed9ng sinh v\u1edbi sinh v\u1eadt b\u1eadc th\u1ea5p kh\u00e1c, s\u1ed1ng b\u00ecnh y\u00ean qua ng\u00e0y. C\u00f9ng v\u1edbi s\u1ef1 k\u1ebft th\u00fac c\u1ee7a k\u1ec9 Ven\u0111i (\u0111\u1ea1i nguy\u00ean sinh) l\u00e0 \u0111\u1ebfn k\u1ec9 Cambri, \u0111\u1ed9ng v\u1eadt \u0111a t\u1ebf b\u00e0o \u0111\u00e3 xu\u1ea5t hi\u1ec7n, ch\u00fang \u0111\u00e3 m\u1ecdc ra v\u0169 kh\u00ed c\u1ee9ng nh\u01b0 m\u00f3ng vu\u1ed1t, c\u00e0ng\u2026, b\u1eaft \u0111\u1ea7u cu\u1ed9c s\u1ed1ng b\u1eaft m\u1ed3i. Nh\u01b0 v\u1eady th\u00ec qu\u1ea7n th\u1ec3 sinh v\u1eadt \u0111\u1eb7c bi\u1ec7t n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh th\u1ee9c \u0103n ngon cho nh\u1eefng \u0111\u1ed9ng v\u1eadt m\u1edbi xu\u1ea5t hi\u1ec7n, v\u00e0 \u0111\u00e3 bi\u1ebfn m\u1ea5t r\u1ea5t nhanh tr\u00ean Tr\u00e1i \u0110\u1ea5t.<\/p>\n\n\n\n
Qu\u1ea7n th\u1ec3 sinh v\u1eadt \u0111\u00e3 cho ch\u00fang ta bi\u1ebft r\u1eb1ng, c\u00e1ch \u0111\u00e2y r\u1ea5t l\u00e2u, tr\u00ean Tr\u00e1i \u0110\u1ea5t \u0111\u00e3 t\u1eebng c\u00f3 m\u1ed9t lo\u00e0i sinh v\u1eadt r\u1ea5t \u0111\u1eb7c bi\u1ec7t, ch\u00fang kh\u00e1c r\u1ea5t xa v\u1edbi c\u00e1c \u0111\u1ed9ng v\u1eadt, th\u1ef1c v\u1eadt, vi sinh v\u1eadt m\u00e0 ch\u00fang ta nh\u00ecn th\u1ea5y ng\u00e0y nay, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u1eb7t cho ch\u00fang m\u1ed9t c\u00e1i t\u00ean r\u1ea5t \u0111\u1eb7c bi\u1ec7t, g\u1ecdi l\u00e0 “gi\u1edbi sinh v\u1eadt Ven\u0111i”.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00f3 m\u1ed9t lo\u00e0i sinh v\u1eadt c\u00f3 h\u00ecnh d\u00e1ng ho\u1eb7c h\u00ecnh tr\u00f2n, ho\u1eb7c h\u00ecnh l\u00e1, c\u00f3 lo\u1ea1i th\u1eadm ch\u00ed gi\u1ed1ng nh\u01b0 k\u1ebft c\u1ea5u c\u1ee7a th\u1ef1c v\u1eadt c\u00f3 r\u1ec5, th\u00e2n, l\u00e1, nh\u01b0ng ch\u00fang ch\u1eafc ch\u1eafn kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ef1c v\u1eadt, b\u1edfi v\u00ec nh\u00ecn v\u1ec1 c\u1ea5u t\u1ea1o t\u1ed5 ch\u1ee9c, lo\u00e0i sinh v\u1eadt n\u00e0y c\u00f3 k\u1ebft c\u1ea5u gi\u1ed1ng nh\u01b0 […]<\/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":[15,10],"tags":[],"class_list":["post-8232","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8232","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=8232"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8232\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}