Algae Diagram Ncert. Unicellular colonial or. They are characterised by the presence of a rigid cell wall and if motile a flagellum.
The cyanobacteria also referred to as blue green algae have chlorophyll a similar to green plants and are photosynthetic autotrophs figure 2 2. Algae are usually green but they can be found in a variety of different colours. Blue green algae also called cyanobacteria can fix atmospheric nitrogen into usable compounds.
Blue green algae also called cyanobacteria can fix atmospheric nitrogen into usable compounds.
Ncert solutions for class 8 science chapter 2 2 mark questions and answers. Algae are usually green but they can be found in a variety of different colours. The following points highlight the eleven main classes of algae. Draw and give two identifying features of groups they belong to.
