What is a  Winogradsky column?

the final must have 550 words and the following format:

– What is a  Winogradsky column and how its  made

– Results.

Talk about:

a) Cyanobacteria growth. At least mention one Genus. Description and equation of the photosynthesis.

b) Green sulfur bacteria. At least mention one Genus.Description and equation of the photosynthesis.

c) Purple sulfur bacteria. At least mention one Genus.Description and equation of the photosynthesis.

d) Sulfate reducing bacteria. At least mention one Genus.Description and equation of the photosynthesis.