EVERYDAY SCIENCE

Detailed explanation-1: -Let’s start with, Spirogyra is a genus of green algae belonging to the order called Zygnematales. These free-flowing, filamentous algae are featured by ribbon-shaped chloroplasts that are present in a helical manner inside the cells.

Detailed explanation-2: –Spirogyra is a freshwater alga that belongs to the order Zygnematales. The characteristic of these organisms is the spiral arrangement of their chloroplasts. Spirogyra is capable of producing large amounts of oxygen and develops as filamentous masses. However, Spirogyra grows as single filaments and not in colonies.

Detailed explanation-3: -An example of a colonial alga is Volvox.

Detailed explanation-4: -Spirogyra, Oedogonium, Volvox and Ulothrix are examples of green algae. They contain chlorophyll and are mostly found in fresh water. Spirogyra, Oedogomium and Ulothrix are filamentous in shape whereas Volvox is a colonial algae which contain upto 50, 000 cells.

Detailed explanation-5: -Chlorella, Chlamydomonas, Chara, Volvox, and Spirogyra belong to the class Chlorophyceae.