Question

Detailed notes on cyanobacteria

Answer 1

Answer:

this is your answer

Explanation:

Cyanobacteria are photosynthetic bacteria formerly known as blue-green algae. Some species of cyanobacteria coexist with fungi to form lichens. Cyanobacteria have played an important role in the development of Earth. Scientists believe that they were the first photosynthetic organisms to occur on Earth's surface.

Answer 2

⭐ $\sf\red{ Cyanobacteria}$⭐

$\rightarrow$ Cyanobacteria are unicellular, colonial or filamentous.

$\rightarrow$ Cyanobacteria also known as blue-green algae.

$\rightarrow$ Cyanobacteria have chlorophyll, similar to green plants.

$\rightarrow$ Cyanobacteria are photosynthetic autotrophs.

$\rightarrow$ Cyanobacteria colonies are generally surrounded by gelatinous sheath.

$\rightarrow$ Cyanobacteria often form blooms in polluted water bodies.

• Some of these organisms can fix atmospheric nitrogen in specialised cells called heterocysts.
• Ex :- Nostoc and Anabena.