细胞呈球形、卵形或呈伸长的梨形、纺锤形等。在细胞的顶端具有两根相等或几近相等的鞭毛以及一条鞭状粘着丝或触觉丝。
覆盖白垩表的颗石藻将水面染成乳白色或者浅蓝色。
The chalky scales that cover coccolithophores color the water milky white or bright blue.
其中常见的种类是蓝藻、二氧化硅包裹硅藻、甲藻、绿藻和白垩涂层颗石藻。
Among the common kinds are cyanobacteria, silica-encased diatoms, dinoflagellates, green algae, and chalk-coated coccolithophores.
亮蓝色很有可能是颗石藻-浮游生物的一种,外壳是白垩色的,能反光,把海洋弄得绿中泛白。而暗绿色的则可能是硅藻。
The bright blue colors are probably from coccolithophores, a type of phytoplankton that is coated in a chalky shell that reflects light, turning the ocean a milky turquoise.
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