Hydrodictyon, a colonial green alga

Hydrodictyon, a colonial green alga

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Caption: Light micrograph of a colony of Hydrodictyon sp. , a freshwater green alga also known as the water- net. Each individual cylindrical cell typically connects with 6 neighbours (5-8 are also known) to form a three- dimensional network. Hydrodictyon is a coenobium or determinate colony, which means that the total number of divisions & thus the number of cells making up the colony is fixed at the time of the origin of the colony & cannot be extended. Unlike indeterminate colonies, it is not simply an aggregate of cells with unlimited potential for cell division. Magnification: x100 at 35mm size.

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Keywords: alga, algae, algal, botany, colony, green, hydrodictyon sp., nature, plant, water net alga

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