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How to elongate and divide?
Species name:Synura
AL-Museum AL-Museum
Various sizes of Synura(flagellate colonies) visit the big particle to forage for food. To share the food equally, the colony needs to rotate periodically so that each individual member can access the particle surface. Meanwhile, the number of cells in one of the colonies increases and the whole colony becomes larger, probably because the individual members have multiplied. However, becoming too large may be inconvenient, so here we can see the division of one big colony into two smaller ones.