This is a Volvox, a colony of algae with really special skills. . The bigger sphere is formed by hundreds of smaller cells attached to each other, each of these cells has whip-like flagella that beat to roll the "algae ball" in the water. . And do you know what are the smaller balls inside the bigger balls? They are the teenager versions of the bigger algae ball, but these are not ungrateful teens as we are familiar with in the macro world, they are quite similar to their mama. . The teen coloni

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These are colonial algae Volvox. I recorded the clip at 50x magnification, and they are quite big, I can even see them with the naked eye. . Volvox are magnificent organisms; they have thousands of cells and they are all connected to each other forming an empty green sphere. It’s hard to see the tiny cells at this low magnification, but the whole sphere is formed by them. Each cell has two hair-like flagella, and they beat their flagella to roll the colony in the water. . Can you see that some s