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39040/39040_orig.jpg JFIF ,, Photoshop 3.0 8BIMDataset 2 Record Version w B0007738 VolvoxP Wellcome Imagesi B0007738 Volvoxt ~Copyrighted work available under Creative Commons by-nc-nd 2.0 UK, see http://images.wellcome.ac.uk/indexplus/page/Prices.htmlxB0007738 Volvox
Credit: Spike Walker. Wellcome Images
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Volvox are a relatively large (approximately 500 m) green algae. They consist of hollow spherical colonies with up to 15,000 cells embedded in their gelatinous walls. They may be conspicuous in the plankton of ponds, lakes and even ditches. Each cell within the colony has a chloroplast, two flagella and a red \'eyespot\'. The locomotory cells of Volvox globator are rather irregularly spaced, with protoplasmic interconnections seen here connecting the cells. Smaller daughter colonies, sexual or asexual, may be seen swimming within the parent coenobium. Two parent coenobium can been seen as large slighty out of focus green masses in this image.
Light microscopy
June 2010 Published: -
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