volvox

/vol-voks/US // ˈvɒl vɒks //UK // (ˈvɒlvɒks) //

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Definitions

n.名词 noun

1
- : any colonial, freshwater green algae of the genus Volvox, forming a hollow, greenish sphere of flagellated cells.

Another example of conjugation is that of Pandorina, an alga allied to the well-known volvox.
One of the best examples of this secondary grade of complication is presented by the spherically aggregated cells of Volvox.
This is almost established also for Amphioxus, the Echinoderm Volvox, and other animals.
The substitution of other terms in the anatomical series there described—amœba, volvox, etc.—would not affect this result.
It corresponds in structure with the fully developed volvox, except, of course, in lacking reproductive cells.