{"common":{"save":0,"post_id":"9601","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10418","post_id":"9601","mon_id":"1159539","chapter_id":"1160145","question":"<p data-pm-slice=\"0 0 []\">Trong qu\u1ea7n xã loài \u01b0u th\u1ebf là loài<\/p>","options":["A. có s\u1ed1 l\u01b0\u1ee3ng ít nh\u1ea5t trong qu\u1ea7n xã.","B. có s\u1ed1 l\u01b0\u1ee3ng nhi\u1ec1u trong qu\u1ea7n xã.","C. phân b\u1ed1 nhi\u1ec1u n\u01a1i trong qu\u1ea7n xã.","D. có vai trò quan tr\u1ecdng trong qu\u1ea7n xã."],"correct":"4","level":"3","hint":"","answer":"<p>\u0110áp án: <strong>D. có vai trò quan tr\u1ecdng trong qu\u1ea7n xã.<\/strong><\/p><p data-end=\"225\" data-start=\"66\">Trong qu\u1ea7n xã sinh v\u1eadt, <strong data-end=\"123\" data-start=\"108\">loài \u01b0u th\u1ebf<\/strong> là loài có \u1ea3nh h\u01b0\u1edfng m\u1ea1nh \u0111\u1ebfn các loài khác và \u0111\u1ebfn môi tr\u01b0\u1eddng s\u1ed1ng trong qu\u1ea7n xã. \u0110i\u1ec1u này th\u01b0\u1eddng do:<\/p><ul data-end=\"409\" data-start=\"227\"> <li data-end=\"273\" data-start=\"227\"><p data-end=\"273\" data-start=\"229\"><strong data-end=\"252\" data-start=\"229\">S\u1ed1 l\u01b0\u1ee3ng cá th\u1ec3 l\u1edbn<\/strong>, sinh kh\u1ed1i l\u1edbn, ho\u1eb7c<\/p><\/li> <li data-end=\"409\" data-start=\"274\"><p data-end=\"409\" data-start=\"276\"><strong data-end=\"309\" data-start=\"276\">Ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng \u1ea3nh h\u01b0\u1edfng m\u1ea1nh<\/strong> \u0111\u1ebfn c\u1ea5u trúc và ch\u1ee9c n\u0103ng c\u1ee7a qu\u1ea7n xã (ví d\u1ee5: th\u1ef1c v\u1eadt l\u1edbn trong r\u1eebng, san hô trong r\u1ea1n san hô,...)<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-07-05 23:30:22","option_type":"txt","len":3},{"id":"10419","post_id":"9601","mon_id":"1159539","chapter_id":"1160145","question":"<p data-pm-slice=\"0 0 []\">\u0110\u1ed9 \u0111a d\u1ea1ng c\u1ee7a qu\u1ea7n xã sinh v\u1eadt \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n \u1edf<\/p>","options":["A. m\u1eadt \u0111\u1ed9 c\u1ee7a các nhóm cá th\u1ec3 trong qu\u1ea7n xã.","B. m\u1ee9c \u0111\u1ed9 phong phú v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng loài trong qu\u1ea7n xã. ","C. s\u1ef1 khác nhau v\u1ec1 l\u1ee9a tu\u1ed5i c\u1ee7a các cá th\u1ec3 trong qu\u1ea7n xã.","D. bi\u1ebfn \u0111\u1ed9ng v\u1ec1 m\u1eadt \u0111\u1ed9 cá th\u1ec3 trong qu\u1ea7n xã."],"correct":"2","level":"3","hint":"","answer":"<p>\u0110áp án: <strong>B. m\u1ee9c \u0111\u1ed9 phong phú v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng loài trong qu\u1ea7n xã.<\/strong><\/p><p data-end=\"141\" data-start=\"78\"><strong data-end=\"131\" data-start=\"96\">\u0110\u1ed9 \u0111a d\u1ea1ng c\u1ee7a qu\u1ea7n xã sinh v\u1eadt<\/strong> ph\u1ea3n ánh:<\/p><ul data-end=\"259\" data-start=\"143\"> <li data-end=\"194\" data-start=\"143\"><p data-end=\"194\" data-start=\"145\"><strong data-end=\"162\" data-start=\"145\">S\u1ed1 l\u01b0\u1ee3ng loài<\/strong> khác nhau s\u1ed1ng trong qu\u1ea7n xã.<\/p><\/li> <li data-end=\"259\" data-start=\"195\"><p data-end=\"259\" data-start=\"197\"><strong data-end=\"258\" data-start=\"197\">M\u1ee9c \u0111\u1ed9 phong phú và phân b\u1ed1 s\u1ed1 l\u01b0\u1ee3ng cá th\u1ec3 gi\u1eefa các loài<\/strong>.<\/p><\/li><\/ul>\\n<p data-end=\"383\" data-start=\"261\">Qu\u1ea7n xã có nhi\u1ec1u loài sinh v\u1eadt khác nhau, phân b\u1ed1 \u0111\u1ec1u và t\u01b0\u01a1ng tác ch\u1eb7t ch\u1ebd thì \u0111\u01b0\u1ee3c coi là <strong data-end=\"382\" data-start=\"353\">qu\u1ea7n xã có \u0111\u1ed9 \u0111a d\u1ea1ng cao<\/strong>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-07-05 23:30:50","option_type":"txt","len":3},{"id":"10420","post_id":"9601","mon_id":"1159539","chapter_id":"1160145","question":"<p data-pm-slice=\"0 0 []\">Ch\u1ec9 s\u1ed1 th\u1ec3 hi\u1ec7n t\u1ec9 l\u1ec7 % s\u1ed1 \u0111\u1ecba \u0111i\u1ec3m b\u1eaft g\u1eb7p m\u1ed9t loài trong t\u1ed5ng s\u1ed1 \u0111\u1ecba \u0111i\u1ec3m quan sát \u1edf qu\u1ea7n xã là<\/p>","options":["A. \u0111\u1ed9 \u0111a d\u1ea1ng.","B. \u0111\u1ed9 nhi\u1ec1u.","C. \u0111\u1ed9 th\u01b0\u1eddng g\u1eb7p.","D. \u0111\u1ed9 t\u1eadp trung."],"correct":"3","level":"3","hint":"","answer":"<p>\u0110áp án: <strong>C. \u0111\u1ed9 th\u01b0\u1eddng g\u1eb7p.<\/strong><\/p><ul> <li data-end=\"315\" data-start=\"149\"><p data-end=\"315\" data-start=\"151\"><strong data-end=\"168\" data-start=\"151\">\u0110\u1ed9 th\u01b0\u1eddng g\u1eb7p<\/strong> ph\u1ea3n ánh <strong data-end=\"200\" data-start=\"178\">t\u1ea7n su\u1ea5t xu\u1ea5t hi\u1ec7n<\/strong> c\u1ee7a m\u1ed9t loài trong các \u0111\u1ecba \u0111i\u1ec3m kh\u1ea3o sát — t\u1ee9c là <strong data-end=\"285\" data-start=\"251\">t\u1ec9 l\u1ec7 % s\u1ed1 \u0111i\u1ec3m có m\u1eb7t loài \u0111ó<\/strong> so v\u1edbi t\u1ed5ng s\u1ed1 \u0111i\u1ec3m \u0111i\u1ec1u tra.<\/p><\/li> <li data-end=\"396\" data-start=\"317\"><p data-end=\"396\" data-start=\"319\"><strong data-end=\"333\" data-start=\"319\">\u0110\u1ed9 \u0111a d\u1ea1ng<\/strong>: th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 phong phú v\u1ec1 <strong data-end=\"381\" data-start=\"364\">s\u1ed1 l\u01b0\u1ee3ng loài<\/strong> trong qu\u1ea7n xã.<\/p><\/li> <li data-end=\"464\" data-start=\"398\"><p data-end=\"464\" data-start=\"400\"><strong data-end=\"412\" data-start=\"400\">\u0110\u1ed9 nhi\u1ec1u<\/strong>: là <strong data-end=\"436\" data-start=\"417\">s\u1ed1 l\u01b0\u1ee3ng cá th\u1ec3<\/strong> c\u1ee7a m\u1ed9t loài trong qu\u1ea7n xã.<\/p><\/li> <li data-end=\"582\" data-start=\"466\"><p data-end=\"582\" data-start=\"468\"><strong data-end=\"484\" data-start=\"468\">\u0110\u1ed9 t\u1eadp trung<\/strong>: th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 <strong data-end=\"520\" data-start=\"502\">phân b\u1ed1 cá th\u1ec3<\/strong> c\u1ee7a loài trong qu\u1ea7n xã, có xu h\u01b0\u1edbng s\u1ed1ng t\u1ee5 t\u1eadp hay phân tán.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-07-05 23:31:24","option_type":"txt","len":2}]}