近年来在南非的工作显示出,叶囊属(Phyllotheca)是一种生长在浅湖畔周围的稠密单种丛生植物,它们和今天温带纬度地区的当代牧场类似,而且它们可能是当时开始出现的一些大型脊椎...
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结果是受益者成了其他的藻类生物,比如棕囊藻属,但是此属藻类却是饶足类的最好的食物。
The result was that the beneficiaries of the iron were instead groups of algae such as Phaeocystis, which are among the most heavily grazed by copepods.
果囊马尾藻一种马尾藻属褐色海藻,产于大西洋热带水域,有圆形气囊,常常大片聚集、飘浮在一起。
Any of several brownish seaweeds of the genus sargassum of tropical Atlantic waters having rounded air bladders and often forming dense floating masses.
摘要利用石蜡切片和薄切片方法对芸香科14属23种和1变种植物幼茎中分泌囊的分布和结构进行了比较研究。
Comparative observations were made on the morphology and anatomy of secretory cavities in stems of14genera 23species and one varieties by paraffin and thin section method.
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