Dendroid colony of alga, Ophiocytium

Dendroid colony of alga, Ophiocytium

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Credit: MICHAEL ABBEY/SCIENCE PHOTO LIBRARY

Caption: Ophiocytium algal colony. Light micrograph of a living colony of the fresh water alga Ophiocytium maius. Ophiocytium, a member of the Xanthophyta, is a yellow-green alga. This is because it has yellow carotenoid pigments as well as green chlorophyll. Here, chloroplasts containing these pigments can be seen (green). It is in the chloroplasts that the alga derives its energy from sunlight (photosynthesis). The algal cells are elongated and have formed branching dendroid (tree-like) colonies. The colonies are formed by liberated zoospores attaching to the rim of the parent cell. Differential interference contrast technique. Magnification: x63 at 35mm size.

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Keywords: alga, algae, algal, botany, colony, dendroid, dendroid colony, green, light micrograph, living dendroid colony, nature, ophiocytium maius, plant, type, yellow-green, yellow-green algae

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