B\u00e0i 1 (trang 190 SGK Sinh h\u1ecdc 12):\u00a0Th\u1ebf n\u00e0o l\u00e0 m\u1ed9t h\u1ec7 sinh th\u00e1i? T\u1ea1i sao n\u00f3i h\u1ec7 sinh th\u00e1i bi\u1ec3u hi\u1ec7n ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t t\u1ed5 ch\u1ee9c s\u1ed1ng?<\/strong><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n * H\u1ec7 sinh th\u00e1i bao g\u1ed3m qu\u1ea7n x\u00e3 sinh v\u1eadt v\u00e0 n\u01a1i s\u1ed1ng c\u1ee7a qu\u1ea7n x\u00e3 (sinh c\u1ea3nh). C\u00e1c sinh v\u1eadt trong qu\u1ea7n x\u00e3 lu\u00f4n t\u00e1c \u0111\u1ed9ng l\u1eabn nhau v\u00e0 t\u00e1c \u0111\u1ed9ng qua l\u1ea1i v\u1edbi c\u00e1c nh\u00e2n t\u1ed1 v\u00f4 sinh c\u1ee7a m\u00f4i tr\u01b0\u1eddng t\u1ea1o n\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng ho\u00e0n ch\u1ec9nh v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/p>\n * H\u1ec7 sinh th\u00e1i bi\u1ec3u hi\u1ec7n ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t t\u1ed5 ch\u1ee9c s\u1ed1ng, qua s\u1ef1 trao \u0111\u1ed5i v\u1eadt ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng gi\u1eefa c\u00e1c sinh v\u1eadt trong n\u1ed9i b\u1ed9 qu\u1ea7n x\u00e3 v\u00e0 gi\u1eefa qu\u1ea7n x\u00e3 v\u1edbi sinh c\u1ea3nh c\u1ee7a ch\u00fang. Trong \u0111\u00f3, qu\u00e1 tr\u00ecnh “\u0111\u1ed3ng ho\u00e1”- t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1, s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi do c\u00e1c sinh v\u1eadt t\u1ef1 d\u01b0\u1ee1ng trong h\u1ec7 sinh th\u00e1i th\u1ef1c hi\u1ec7n v\u00e0 qu\u00e1 tr\u00ecnh “d\u1ecb ho\u00e1” do c\u00e1c sinh v\u1eadt ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1 th\u1ef1c hi\u1ec7n.<\/p>\n B\u00e0i 2 (trang 190 SGK Sinh h\u1ecdc 12):\u00a0H\u00e3y l\u1ea5y v\u00ed d\u1ee5 v\u1ec1 m\u1ed9t h\u1ec7 sinh th\u00e1i tr\u00ean c\u1ea1n v\u00e0 m\u1ed9t h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc (h\u1ec7 sinh th\u00e1i t\u1ef1 nhi\u00ean ho\u1eb7c nh\u00e2n t\u1ea1o), ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c h\u1ec7 sinh th\u00e1i \u0111\u00f3.<\/strong><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n * V\u00ed d\u1ee5 h\u1ec7 sinh th\u00e1i tr\u00ean c\u1ea1n: H\u1ec7 sinh th\u00e1i r\u1eebng nhi\u1ec7t \u0111\u1edbi<\/p>\n Th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac c\u1ee7a h\u1ec7 sinh th\u00e1i n\u00e0y g\u1ed3m:<\/p>\n – Th\u00e0nh ph\u1ea7n v\u00f4 sinh: \u0111\u1ea5t, \u0111\u00e1, n\u01b0\u1edbc, th\u1ea3m m\u1ee5c, \u0111\u1ed9 \u1ea9m, \u00e1nh s\u00e1ng …<\/p>\n – Sinh v\u1eadt s\u1ea3n xu\u1ea5t: c\u00e1c c\u00e2y g\u1ed7 to, v\u1eeba, nh\u1ecf, c\u00e2y b\u1ee5i, c\u00e2y leo,\u2026<\/p>\n – Sinh v\u1eadt ti\u00eau th\u1ee5: chim, kh\u1ec9, tr\u00e2u, b\u00f2, h\u01b0\u01a1u, nai, h\u1ed5, b\u00e1o,\u2026<\/p>\n – Sinh v\u1eadt ph\u00e2n gi\u1ea3i: Giun \u0111\u1ea5t, s\u00e2u b\u1ecd, vi khu\u1ea9n, n\u1ea5m, \u0111\u1ecba y<\/p>\n * V\u00ed d\u1ee5 h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc: H\u1ec7 sinh th\u00e1i \u0111\u1ea7m n\u01b0\u1edbc n\u00f4ng. Th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac g\u1ed3m:<\/p>\n – Th\u00e0nh ph\u1ea7n v\u00f4 sinh: \u0111\u1ea5t, \u0111\u00e1, n\u01b0\u1edbc, th\u1ea3m m\u1ee5c, c\u00e1c ch\u1ea5t l\u1eafng \u0111\u1ecdng, nhi\u1ec7t \u0111\u1ed9, \u00e1nh s\u00e1ng,\u2026<\/p>\n – Sinh v\u1eadt s\u1ea3n xu\u1ea5t: T\u1ea3o, rong, b\u00e8o sen, c\u00e2y c\u1ecf, c\u00e2y b\u1ee5i m\u1ecdc ven b\u1edd<\/p>\n – Sinh v\u1eadt ti\u00eau th\u1ee5: Cua, \u1ed1c, t\u00f4m, c\u00e1, \u1ebfch nh\u00e1i, r\u1eafn, ba ba, chim\u2026<\/p>\n – Sinh v\u1eadt ph\u00e2n hu\u1ef7: giun, c\u00e1c vi sinh v\u1eadt<\/p>\n B\u00e0i 3 (trang 190 SGK Sinh h\u1ecdc 12):\u00a0H\u1ec7 sinh th\u00e1i t\u1ef1 nhi\u00ean v\u00e0 h\u1ec7 sinh th\u00e1i nh\u00e2n t\u1ea1o c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m g\u00ec gi\u1ed1ng v\u00e0 kh\u00e1c nhau?<\/strong><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n H\u1ec7 sinh th\u00e1i t\u1ef1 nhi\u00ean v\u00e0 nh\u00e2n t\u1ea1o c\u00f3 nh\u1eefng \u0111i\u1ec3m gi\u1ed1ng v\u00e0 kh\u00e1c nhau:<\/p>\n – Gi\u1ed1ng nhau:<\/p>\n + \u0110\u1ec1u c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m chung v\u1ec1 th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac, bao g\u1ed3m th\u00e0nh ph\u1ea7n ch\u1ea5t v\u00f4 sinh v\u00e0 th\u00e0nh ph\u1ea7n ch\u1ea5t h\u1eefu sinh. Th\u00e0nh ph\u1ea7n v\u1eadt ch\u1ea5t v\u00f4 sinh l\u00e0 m\u00f4i tr\u01b0\u1eddng v\u1eadt l\u00ed (sinh c\u1ea3nh) v\u00e0 th\u00e0nh ph\u1ea7n h\u1eefu sinh l\u00e0 qu\u1ea7n x\u00e3 sinh v\u1eadt.<\/p>\n + C\u00e1c sinh v\u1eadt trong qu\u1ea7n x\u00e3 lu\u00f4n t\u00e1c \u0111\u1ed9ng l\u1eabn nhau \u0111\u1ed3ng th\u1eddi t\u00e1c \u0111\u1ed9ng v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n v\u00f4 sinh c\u1ee7a sinh c\u1ea3nh.<\/p>\n – Kh\u00e1c nhau:<\/p>\n + H\u1ec7 sinh th\u00e1i t\u1ef1 nhi\u00ean: c\u00f3 th\u00e0nh ph\u1ea7n lo\u00e0i v\u00e0 k\u00edch th\u01b0\u1edbc r\u1ea5t \u0111a d\u1ea1ng.<\/p>\n + H\u1ec7 sinh th\u00e1i nh\u00e2n t\u1ea1o c\u00f3 th\u00e0nh ph\u1ea7n lo\u00e0i \u00edt, do \u0111\u00f3 t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 sinh th\u00e1i th\u1ea5p, d\u1ec5 b\u1ecb d\u1ecbch b\u1ec7nh. H\u1ec7 sinh th\u00e1i nh\u00e2n t\u1ea1o nh\u1edd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p canh t\u00e1c v\u00e0 k\u0129 thu\u1eadt hi\u1ec7n \u0111\u1ea1i n\u00ean sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c c\u00e1 th\u1ec3 nhanh, n\u0103ng su\u1ea5t sinh h\u1ecdc cao\u2026<\/p>\n B\u00e0i 4 (trang 190 SGK Sinh h\u1ecdc 12):\u00a0H\u00e3y ch\u1ecdn ph\u01b0\u01a1ng \u00e1n tr\u1ea3 l\u1eddi \u0111\u00fang.<\/strong><\/p>\n Ki\u1ec3u h\u1ec7 sinh th\u00e1i n\u00e0o sau \u0111\u00e2y c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m: n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o ch\u1ee7 y\u1ebfu, \u0111\u01b0\u1ee3c cung c\u1ea5p th\u00eam m\u1ed9t ph\u1ea7n v\u1eadt ch\u1ea5t v\u00e0 c\u00f3 s\u1ed1 l\u01b0\u1ee3ng lo\u00e0i h\u1ea1n ch\u1ebf?<\/strong><\/p>\n a) H\u1ec7 sinh th\u00e1i bi\u1ec3n<\/p>\n b) H\u1ec7 sinh th\u00e1i th\u00e0nh ph\u1ed1.<\/p>\n c) H\u1ec7 sinh th\u00e1i r\u1eebng m\u01b0a nhi\u1ec7t \u0111\u1edbi.<\/p>\n d) H\u1ec7 sinh th\u00e1i n\u00f4ng nghi\u1ec7p.<\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n \u0110\u00e1p \u00e1n: d.<\/p>\n","protected":false},"excerpt":{"rendered":" B\u00e0i 1 (trang 190 SGK Sinh h\u1ecdc 12):\u00a0Th\u1ebf n\u00e0o l\u00e0 m\u1ed9t h\u1ec7 sinh th\u00e1i? T\u1ea1i sao n\u00f3i h\u1ec7 sinh th\u00e1i bi\u1ec3u hi\u1ec7n ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t t\u1ed5 ch\u1ee9c s\u1ed1ng? L\u1eddi gi\u1ea3i: * H\u1ec7 sinh th\u00e1i bao g\u1ed3m qu\u1ea7n x\u00e3 sinh v\u1eadt v\u00e0 n\u01a1i s\u1ed1ng c\u1ee7a qu\u1ea7n x\u00e3 (sinh c\u1ea3nh). C\u00e1c sinh v\u1eadt trong qu\u1ea7n x\u00e3 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1307],"tags":[1397,1398],"yoast_head":"\n