Oscillatoria blue-green alga

Oscillatoria blue-green alga

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Caption: Oscillatoria. Light micrograph of the blue-green algae Oscillatoria sp. Strands are seen, each made up of a row of tiny cells; one strand is called a trichome. When surrounded by a gelatinous sheath the strand is called a filament. Oscillatoria lacks a slimy sheath. The strands of Oscillatoria exhibit a swaying motion and can also move backwards and forward, although the mechanism for this movement is not properly understood. Blue-green algae (Cyanophyta) are one of the most primitive organisms, dating back to pre-Cambrian times. Magnification: x30 at 35mm size.

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Keywords: alga, algae, algal, blue-green, blue-green algae, botany, cyanobacteria, filamentous, filamentous algae, nature, oscillatoria sp., plant

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