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What is Cyanobacteria Blue Green Algae

What is Cyanobacteria Blue Green Algae

 

Cynobacteria are also known as blue green algae. They are considered simplest organisms, which can prepare their own food.

 

Habitat:

 

They are found in moist places.

 

Structure:

 

1. i) They are usually unicellular.

 

1. ii) Some live in colonies or filamentous.

 

iii) Each filament consists of many cells, which are attached to each other.

 

1. iv) They have a mucilaginous sheath around cell for protection.

 

Nitrogen fixation:

 

Some cynobacteria has ability to fix nitrogenous compounds in soil and can improve the fertility of soil.

 

Reproduction:

 

Only asexual reproduction takes place in cynobacteria. They divide by cell division, spore formation and fragmentation.

 

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