An Abundance of Microscopic Yellow-Green "Balls" Rolling Through Water Collected from a Lake (VIDEO)
Caption
These are colonies of the algae Syncrypta/Synura, each one made up of many separate cells with whip-like tails (flagella) that are used for swimming. One of the datasets used in the paper.
Credit
Dr. Stephen Thackeray / Centre for Ecology & Hydrology
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