颈卵器植物
- 与 颈卵器植物 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In organisms showing sexuality, the gametes are of two types: male and female. They may be produced in special organs (e.g. carpel and anther in angiosperms, archegonia and antheridia in lower plants and some algae). The gametes may be derived from the same parent AUTOGAMY0 or from two different parents
在显示性别差异的器官中,配子体分两种:雄配子与雌配子,二者可能在特殊器官中产生(例如:被子植物的心皮或其它结构、低等植物及某些藻类的颈卵器和精子器)配子可以来自同一亲本或由两个不同亲本分别产生。
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The initiati on and development of archegonia in Gingko,compared with those of cycads, w ere liked to be more primitive at the evolutional level.
银杏雌配子体及颈卵器的发生与发育,和苏铁类植物比较,在演化程度上可能更为原始。
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In the Coniferophyta the female gametophyte is reduced to a nonphotosynthetic tissue with up to 2000 nuclei in the ovule, which produces archegonia.
松柏类植物的雌配子体成为颈卵器,其胚珠为含有2000个以上的核的非光合组织,(参见 archegonium )。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。