一个自养的单细胞绿藻表现最小程度的特化。
An autotrophic, unicellular, green alga presents the minimum of specialization.
然后在3、4月份出现了蓝——绿藻类这种古老单细胞生物。
Then appeared in the Blue 3,4 - Green algae this ancient single-celled organism.
绿藻门双星藻目一类美丽的单细胞微小绿色藻类，形状差异很大。
Any of a group of one-celled, microscopic green algae characterized by great variation in cell shape.
最初，前寒武纪出现原始的单细胞水生藻类，除了蓝绿藻和细菌之外。
That history began with the origin of the primitive, unicellular aquatic algae of the Precambrian Eon.
最初，前寒武纪出现原始的单细胞水生藻类，除了蓝绿藻和细菌之外。
That history began with the origin of the primitive, unicellular aquatic algae of the Precambrian Eon.
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