Monday, March 24, 2025
问题:海带孢子的附着量的多少,与将来配子体发育、抑制杂藻生长和最后的出苗率有着密切关系,因此必须控制好附着量。...
Thursday, April 3, 2025
Friday, April 14, 2023
Tuesday, March 11, 2025
Friday, September 16, 2022
问题:要保证海带幼苗下海后不发生或少发生病烂,一定要注意自然水温必须下降到()以下,并且稳定不再上升时方可出库。...
Wednesday, September 18, 2024
问题:海带孢子体分三部分,内部为无色的,表面常见到暗褐色的是();细胞中的叶绿素为()和()光合产物为()和()...
Friday, August 15, 2025
Thursday, April 3, 2025
Tuesday, August 20, 2024
问题:紫菜壳孢子放散有何规律?如何促进或者抑制壳孢子的放散?...
Monday, March 24, 2025
问题:绿藻门植物游动细胞的鞭毛特点是()A、顶生,等长,茸鞭型B、侧生,不等长,尾鞭型C、顶生,等长,尾鞭型D、侧生,等长,茸鞭型...
Monday, April 29, 2024
Monday, August 14, 2023
Tuesday, March 11, 2025
问题:藻类的生长方式:紫菜为散生长;海带是()生长;江蓠为顶端生长。...
Monday, April 29, 2024
Thursday, August 21, 2025
问题:杂交育种是指()、()个体间进行杂交,并在其杂种后代中通过选择而育成纯合品种的方法。...
Monday, September 2, 2024
Monday, May 27, 2024
问题:囊果是红藻的雌性生殖器官果胞受精后,在()上发育形成的一种特殊的二倍体结构。...
Sunday, December 29, 2024
Friday, June 20, 2025
Monday, September 2, 2024