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HAPTER 2 BIOLOGICAL CLASSIFICATION - NCERT
cyanobacteria (also referred to as blue-green algae) have chlorophyll a similar to green plants and are photosynthetic autotrophs (Figure 2.2). The cyanobacteria ar e unicellular , colonial or filamentous, freshwater/marine or terrestrial algae. The colonies are generally surrounded by gelatinous sheath. They often form blooms in polluted water ...
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