Algae are a large, diverse group of simple, autotrophic organisms which do not have stems, toots and vascular tissues. They are normally distributed in the sea, lake and other freshwater as well as moist locations on land.
Algae is a plant life present in the air, soil and water and requires carbon dioxide, sunlight and water. Algae does not diseases but it is not pleasant to see it in the swimming pools. It is Green- Blue in color and slippery if it is a water algae.