| 1. | Its native gymnosperms could evolve into a few species capable of growing in the warm, moist forests of queensland .
本地的裸子植物可进化成能在昆士兰温暖湿润林区的树种。
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| 2. | The occurrence of haploid endosperm in the gymnosperms provides a sound basis for further investigations into progenies .
裸子植物中单倍体胚乳的存在，为进一步对于后代的研究提供良好的基础。
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| 3. | Most angiosperm ovules possess two integuments , while gymnosperms usually have only one
大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。
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| 4. | Most gymnosperms retain archegonia except for the most advanced genera gnetum and welwitschia
除了买麻藤属和百岁兰属以外大多数裸子植物还保留有颈卵器。
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| 5. | Antherozoid ( spermatozoid ) the male gamete of algae , some gymnosperms , and the non - seed - bearing plants
游动精子：藻类，某些裸子植物和没有种子形成的植物中的雄性配子。
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| 6. | The process is restricted to certain angiosperms but a primitive form is known from some gymnosperms
此过程仅限于某些被子植物，但从裸子植物中也发现了一些较原始的形式。
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| 7. | Gymnosperm a general term for any seed plant except the angiosperms , characterized by bearing naked seeds
裸子植物：被子植物以外的种子植物统称裸子植物，以种子裸露为特征。
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| 8. | However , the variation patterns of rdna in gymnosperms are little known because of the limited sequence data
但是在裸子植物中由于研究资料的匮乏，使我们对裸子植物rdna的变异模式了解甚少。
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| 9. | Bract scale the structure found in large numbers in the female cone of gymnosperms , each bearing an ovuliferous scale in its axil
苞鳞：在裸子植物的雌球果中大量存在的结构，每个苞鳞都包含一个珠鳞。
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| 10. | Enclosure of the nucellus by the integuments is incomplete , the embryo sac or , in gymnosperms , to the archegonium
珠被并不是将珠心完全封闭，而是留有珠孔以便受精时花粉管进入胚囊，或裸子植物的藏卵器。
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