水生原植体的光合固碳能力比天然原植体高。
The aquatic-living colonies had a higher photosynthetic carbon fixation capacity than the natural colonies.
形成藻殖段是发菜原植体繁殖的主要方式。
Forming hormogonium is a main reproductive way of Nostoc flagelliforme by thallus.
原植体为丝状或片状，大小不一，小的仅数个细胞，大的形态复杂如树状。
Composed of filaments or plates of cells, a thallus ranges in size from a single-celled structure to a complex treelike form.
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