传粉和受精完成以后,子房各部分的发育情况为:
可见,受精的极核发育成胚乳.
故选:B
本文地址: http://www.goggeous.com/j/1/1124345
文章来源:天狐定制
版权声明:除非特别标注,否则均为本站原创文章,转载时请以链接形式注明文章出处。
2025-01-08职业培训
2025-01-08职业培训
2025-01-08职业培训
2025-01-08职业培训
2025-01-08职业培训
2025-01-08职业培训
2025-01-08职业培训
2025-01-08职业培训
2025-01-08职业培训
2025-01-08职业培训
2025-01-02 17:41:32职业培训
2025-01-02 17:41:31职业培训
2025-01-02 17:41:31职业培训
2025-01-02 17:41:30职业培训
2025-01-02 17:41:30职业培训
2025-01-02 17:41:30职业培训
2025-01-02 17:41:29职业培训
2025-01-02 17:41:29职业培训
2025-01-02 17:41:20职业培训
2025-01-02 17:41:19职业培训
2024-12-21 22:34职业培训
2024-12-12 07:36职业培训
2024-12-06 17:02职业培训
2024-12-01 09:08职业培训
2025-01-08 04:54职业培训
2024-12-13 16:01职业培训
2024-12-01 19:42职业培训
2024-12-22 09:54职业培训
2024-12-18 10:36职业培训
2025-01-08 04:13职业培训
扫码二维码
获取最新动态