Blue-green alga, Oscillatoria

Blue-green alga, Oscillatoria

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Caption: Light micrograph of a filamentous blue-green algae (group name Cyanophycophyta), called Oscillatoria sp. Blue-green algae are considered to be one of the most primitive organisms, dating back to pre- Cambrian times. A single row of cells such as one of these strands, is called a trichome. When surrounded by a gelatinous sheath it is called a filament. Oscillatoria lacks a slimy sheath. The strands of Oscillatoria exhibit a swaying motion & can also move backward & forward. The mechanism for this movement is not yet understood. Magnification X40 (at 35mm size).

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

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