EVERYDAY SCIENCE

Detailed explanation-1: -The algae are divided into three main classes: Chlorophyceae, Phaeophyceae and Rhodophyceae. The members of chlorophyceae are commonly called green algae. The plant body may be unicellular, colonial or filamentous. They are usually grass green due to the dominance of pigments chlorophyll a and b.

Detailed explanation-2: -algae, singular alga, members of a group of predominantly aquatic photosynthetic organisms of the kingdom Protista.

Detailed explanation-3: -Why are algae considered plant-like? The main reason is that they contain chloroplasts and produce food through photosynthesis. However, they lack many other structures of true plants. For example, algae do n ot have roots, stems, or leaves.

Detailed explanation-4: -There are 3 classes of algae: Chlorophyceae, Rhodophyceae, Phaeophyceae.

Detailed explanation-5: -Chrysophyceae, Bacillariophyceae, Cryptophyceae, Dinophyceae, Chloromonodineae, Euglinineae, Phaeophyceae, Rhodophyceae and Myxophyceae (Cyanophyceae). The classification is published in his book titled “The Structure and Reproduction of Algae”.