Examples include male and female plants in dioecious species aerial and submerged leaves alternation of gametophyte and sporophyte stages of a life cycle and mesophyll and bundle-sheath chloroplasts.
例如在雌雄异株物种中的雌性植物和雄性植物,气生的和被水浸没的叶片,生活史中的配子体与孢子体的交替,叶肉和维管束鞘叶绿体等。
The deficiency of N or P in artificial seawater would lag the time of gametophyte formation and affect the differentiation ratio of female-male gametes.
人工海水中氮、磷营养盐的缺乏会导致海带配子体形成时间的滞后,并对其雌雄分化产生一定影响。
The megasporogenesis, microsporogenesis, female and male gametophyte development, development of embryo and endosperm were observed by using paraffin wax.
利用石蜡切片技术观察了埃及白睡莲的大、小孢子的发生,雌、雄配子体的发育,受精作用以及胚和胚乳的发育。
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