Answer:
Photosynthetic
Explanation:
Algae are nor plant neither animal .These are photosynthetic organisms. Some of algae have multi cells but some of algae have single cell.
Algae have following types
1.Brown algae
2.Red algae
3.Green algae
4.Fire algae
5.Yellow algae
6.Golden brown and diatomic algae
7.Euglenophyta algae
When algae growth become so fast in the water then it will decreases then dissolve oxygen in the water and will increase the biological demand.
