what is cyanobacteria
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Answer:
Cyanobacteria
/ˌsʌɪənəʊbakˈtɪərɪə/
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nounBIOLOGY
a division of microorganisms that are related to the bacteria but are capable of photosynthesis. They are prokaryotic and represent the earliest known form of life on the earth.
What is Cyanobacteria?
– Cyanobacteria refer to any photosynthetic bacteria, which often form colonies in the form of filaments, Spears or sheets and occur in diverse environment.
– They are prokaryotes and do not consist of membrane - bound organelles.
– It do not contains chloroplast but contains chlorophyll, a Phycoerythrin and Phycocyanin as photosynthetic pigments.
– They cannot swim but they can alter their buoyancy , changing the depth in water.
Additional Information -
★ They are photoautotrophs or heterotrophs.
★ They show an efficient storage of nutrition.
★ They does not sexually reproduced
★ Nostoc, Anabaena, Spirulna are examples.
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