|A Virtual Pond Dip
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Name (genus) :Volvox
Size : Colonies up to 1 mm
Where to find them : Planktonic in still and flowing waters.
Notes : One of the 'jewels' of a pond when found. Volvox is a spherical colony of hundreds of green algal cells each with two whip-like flagella. These cells are distributed on the surface of a hollow jelly-like globe. Sometimes the colony may contain smaller colonies as shown left.
Volvox has features of both algae and protozoa, and is classified by some authorities as a green algae (Chlorophyta) and by others in the protozoan order Volvocida.
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Published in Micscape Magazine February 2001.
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All images © Wim van Egmond