Question

Hi there!

Write down the importance of Cynobacteria.
___________________________________
No copied answer plz! ​

Answer 1

$\star\;{\underline{\underline{\sf{\pink{Cynobacteria\;:}}}}}$

Cynobacteria are Gram negative photosynthetic prokaryotes, being the most primitive organisms to have oxygenic photosynthesis. They have chlorophyll 'a' similar to green plants. They added oxygen to the atmosphere, which is indispensable for the existence of aerobic forms of living organisms. They are also known as BGA (Blue green algae) and are classified variously under cyanophyceae or myxophyceae.

$\star\;{\underline{\underline{\sf{\purple{Importance\;of\; Cynobacteria\;:}}}}}$

• They are the most ancient organisms having oxygenic photosynthesis and thus, played a significant role in the evolution of aerobic forms of life.

• They convert atmospheric nitrogen into ammonium compounds and excess of these compounds is excreted out, enriching the soil. The death and decay of these also increase the soil fertility, particularly the nitrogen content of soil. Tolypothrix and Aulosira fix $\sf N_2$ non - symbiotically in rice fields.

• Cynobacteria like Nostoc and Anabaena have been used for reclaiming usar soils. As they can live in damp or aquatic habitat, they enrich the root ⠀⠀ environment in any wetland condition as in rice fields.

• Cynobacteria are associated in symbiotic relationship and benifit the partner by providing nitrogenous compounds.

• Some cynobacteria serve as food to several aquatic animals. Spirulina is edible, non - toxic, fast growing cynobacterium. It is cultivated in tanks as source of protein rich animal food (SCP).

• Some cynobacteria like Microcystis aeruginosa, Anabaena flos - aquae, are known to cause algal blooms in water bodies. These also secrete toxins into the surroundings, which are harmful to aquatic animals and even to human beings. Water from such sources is harmful and may even prove fatal for organisms drinking it. They also deplete the oxygen from the water reservoir and thereby, cause large scale death of fishes and other aquatic animals.

⠀⠀ ━━━━━━━━━━━━━━━

Answer 2

━━━━━━━━━━━━━━━

⛄ What is Cyanobacteria ?

Firstly let us understand, what is Cyanobacteria actually??

• Cyanobacteria was first reported by German botanist Andreas Schimper in the 19th century.
• Cyanobacteria is the phylum of bacteria which obtain their food, that is, energy by the process of photosynthesis.
• Cyanobacteria is also called as blue-green algae, blue-green bacteria or cyanophyta.

━━━━━━━━━━━━━━━

⛄ Importance of Cyanobacteria :

• Firstly, Cyanobacteria are important in the nitrogen cycle.
• They are important as they are very source of food and growth to many other organisms.
• It equally contributes to other attributes important to human's.
• It is also important in the economic point of view.
• Cyanobacteria also suppress growth of pathogenic microorganisms in soil and water.
• Cyanobacteria performs oxygenic photosynthesis.
• Cyanobacteria are the chief producers of the biosphere.

━━━━━━━━━━━━━━━

⛄ Something Interesting :

• Cyanobacteria are the very first organisms to evolve and develop photosynthesis.
• Cyanobacteria are found worldwide, even in extreme conditions also, in deserts and hot springs.
• For example : Lichen, which grows on rocks and trees, is the mixture of fungus and Cyanobacteria itself !!
• Also, the other great contribution of it is the origin of plants.

━━━━━━━━━━━━━━━