Oscillatoria blue-green alga

Oscillatoria blue-green alga

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Caption: Light micrograph of the amoebic protozoan Nuclearia sp. feeding on the 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: x160 at 35mm size.

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

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