{"common":{"save":0,"post_id":"9596","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10368","post_id":"9596","mon_id":"1159539","chapter_id":"1160145","question":"<p data-pm-slice=\"0 0 []\">S\u1ed1 l\u01b0\u1ee3ng cá th\u1ec3 trong qu\u1ea7n th\u1ec3 t\u0103ng cao khi môi tr\u01b0\u1eddng s\u1ed1ng có khí h\u1eadu phù h\u1ee3p, ngu\u1ed3n th\u1ee9c \u0103n d\u1ed3i dào và n\u01a1i \u1edf r\u1ed9ng rãi… Tuy nhiên, n\u1ebfu s\u1ed1 l\u01b0\u1ee3ng cá th\u1ec3 t\u0103ng lên quá cao s\u1ebd d\u1eabn \u0111\u1ebfn<\/p>","options":["A. ngu\u1ed3n th\u1ee9c \u0103n tr\u1edf nên khan hi\u1ebfm.","B. n\u01a1i \u1edf và n\u01a1i sinh s\u1ea3n ch\u1eadt ch\u1ed9i thì nhi\u1ec1u cá th\u1ec3 s\u1ebd b\u1ecb ch\u1ebft.","C. m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh tr\u1edf v\u1ec1 m\u1ee9c cân b\u1eb1ng.","D. c\u1ea3 A, B, C \u0111\u1ec1u \u0111úng."],"correct":"4","level":"1","hint":"","answer":"<p>\u0110áp án: <strong>D. c\u1ea3 A, B, C \u0111\u1ec1u \u0111úng.<\/strong><\/p><p data-end=\"110\" data-start=\"62\">Khi s\u1ed1 l\u01b0\u1ee3ng cá th\u1ec3 trong qu\u1ea7n th\u1ec3 t\u0103ng quá cao:<\/p><ul data-end=\"465\" data-start=\"112\"> <li data-end=\"210\" data-start=\"112\"><p data-end=\"210\" data-start=\"114\"><strong data-end=\"120\" data-start=\"114\">A.<\/strong> Ngu\u1ed3n th\u1ee9c \u0103n tr\u1edf nên khan hi\u1ebfm do nhu c\u1ea7u v\u01b0\u1ee3t quá kh\u1ea3 n\u0103ng cung c\u1ea5p c\u1ee7a môi tr\u01b0\u1eddng. \u2705<\/p><\/li> <li data-end=\"331\" data-start=\"211\"><p data-end=\"331\" data-start=\"213\"><strong data-end=\"219\" data-start=\"213\">B.<\/strong> N\u01a1i \u1edf và n\u01a1i sinh s\u1ea3n tr\u1edf nên ch\u1eadt ch\u1ed9i, d\u1eabn \u0111\u1ebfn c\u1ea1nh tranh, stress, d\u1ecbch b\u1ec7nh… khi\u1ebfn nhi\u1ec1u cá th\u1ec3 b\u1ecb ch\u1ebft.<\/p><\/li> <li data-end=\"465\" data-start=\"332\"><p data-end=\"465\" data-start=\"334\"><strong data-end=\"340\" data-start=\"334\">C.<\/strong> Các y\u1ebfu t\u1ed1 gi\u1edbi h\u1ea1n s\u1ebd phát huy tác d\u1ee5ng, khi\u1ebfn m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 gi\u1ea3m xu\u1ed1ng, t\u1eeb \u0111ó \u0111i\u1ec1u ch\u1ec9nh qu\u1ea7n th\u1ec3 tr\u1edf v\u1ec1 m\u1ee9c cân b\u1eb1ng.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-07-04 22:15:55","option_type":"txt","len":3},{"id":"10369","post_id":"9596","mon_id":"1159539","chapter_id":"1160145","question":"<p data-pm-slice=\"0 0 []\">Phát bi\u1ec3u \u0111úng v\u1ec1 m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 là<\/p>","options":["A. M\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 luôn c\u1ed1 \u0111\u1ecbnh.","B. M\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 gi\u1ea3m m\u1ea1nh do nh\u1eefng bi\u1ebfn \u0111\u1ed9ng th\u1ea5t th\u01b0\u1eddng c\u1ee7a \u0111i\u1ec1u ki\u1ec7n s\u1ed1ng nh\u01b0 l\u1ee5t l\u1ed9i, cháy r\u1eebng ho\u1eb7c d\u1ecbch b\u1ec7nh.","C. M\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 không \u1ea3nh h\u01b0\u1edfng t\u1edbi s\u1ef1 phát tri\u1ec3n c\u1ee7a qu\u1ea7n th\u1ec3.","D. Qu\u1ea7n th\u1ec3 sinh v\u1eadt không th\u1ec3 t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh v\u1ec1 m\u1ee9c cân b\u1eb1ng."],"correct":"2","level":"1","hint":"","answer":"<p>\u0110áp án: <strong>B. M\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 gi\u1ea3m m\u1ea1nh do nh\u1eefng bi\u1ebfn \u0111\u1ed9ng th\u1ea5t th\u01b0\u1eddng c\u1ee7a \u0111i\u1ec1u ki\u1ec7n s\u1ed1ng nh\u01b0 l\u1ee5t l\u1ed9i, cháy r\u1eebng ho\u1eb7c d\u1ecbch b\u1ec7nh.<\/strong><\/p><p>Nh\u1eefng bi\u1ebfn \u0111\u1ed9ng nh\u01b0 <strong data-end=\"371\" data-start=\"338\">l\u1ee5t l\u1ed9i, cháy r\u1eebng, d\u1ecbch b\u1ec7nh<\/strong> là các y\u1ebfu t\u1ed1 <strong data-end=\"410\" data-start=\"386\">gi\u1ea3m m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3<\/strong> \u0111\u1ed9t ng\u1ed9t.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-07-04 22:18:53","option_type":"txt","len":3},{"id":"10370","post_id":"9596","mon_id":"1159539","chapter_id":"1160145","question":"<p data-pm-slice=\"0 0 []\">Qu\u1ea7n th\u1ec3 là<\/p>","options":["A. t\u1eadp h\u1ee3p nh\u1eefng cá th\u1ec3 cùng loài, gi\u1ed1ng nhau v\u1ec1 hình thái, c\u1ea5u t\u1ea1o; có th\u1ec3 giao ph\u1ed1i t\u1ef1 do v\u1edbi nhau.","B. t\u1eadp h\u1ee3p nh\u1eefng cá th\u1ec3 khác loài nh\u01b0ng có cùng khu phân b\u1ed1.","C. t\u1eadp h\u1ee3p nh\u1eefng cá th\u1ec3 cùng loài, có m\u1eadt \u0111\u1ed9, thành ph\u1ea7n ki\u1ec3u gen \u0111\u1eb7c tr\u01b0ng.","D. t\u1eadp h\u1ee3p nh\u1eefng cá th\u1ec3 cùng loài, s\u1ed1ng trong m\u1ed9t \u1ed5 sinh thái, t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh."],"correct":"4","level":"1","hint":"","answer":"<p>\u0110áp án: <strong>D. t\u1eadp h\u1ee3p nh\u1eefng cá th\u1ec3 cùng loài, s\u1ed1ng trong m\u1ed9t \u1ed5 sinh thái, t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh.<\/strong><\/p><p>Qu\u1ea7n th\u1ec3 là t\u1eadp h\u1ee3p các cá th\u1ec3 <strong data-end=\"604\" data-start=\"591\">cùng loài<\/strong>, <strong data-end=\"665\" data-start=\"606\">s\u1ed1ng trong m\u1ed9t kho\u1ea3ng không gian xác \u0111\u1ecbnh (\u1ed5 sinh thái)<\/strong>, t\u1ea1i <strong data-end=\"698\" data-start=\"671\">m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh<\/strong>, có <strong data-end=\"734\" data-start=\"703\">kh\u1ea3 n\u0103ng giao ph\u1ed1i v\u1edbi nhau<\/strong>, t\u1ea1o thành <strong data-end=\"792\" data-start=\"746\">m\u1ed9t \u0111\u01a1n v\u1ecb sinh s\u1ea3n, di truy\u1ec1n và ti\u1ebfn hóa<\/strong>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-07-04 22:19:36","option_type":"txt","len":3}]}