Colonial alga, Dinobryon

Colonial alga, Dinobryon

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Caption: Light micrograph of a branching colony of the golden- brown alga Dinobryon sp. . The colony is composed of single-celled algae, each of which secretes a fine, transparent, cellulose sheath known as a lorica. Only the tips of the branches of the colony are inhabited; the bases are composed of old, abandoned sheaths. The cells are attached to the inside of the lorica by a contractile stalk. They possess two chloroplasts, two contractile vacuoles, an eyespot and two different types of flagellum. Various unidentified filamentous algae are also visible in the image. Magnification: x200 at 35mm size.

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Keywords: alga, algae, algal, botany, chrysophyta, colonial, colonial alga, dinbryon s, dinobryon sp., golden-brown alga, light micrograph, nature, plant

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