Useful notes on the alternation of generations in algae! In algae, there is no regular and fixed alternation of generations, as found in higher plants. In all blue green algae, and some Chlorophyceae, such as Protococcus, Scenedesmus, etc., the reproduction is sexual type, and there is no alternation of generations. In the case of simple unicellular Chlorophyceae, such as Chlamydomonas, [...]
Some of the major harmful effects of Algae to human being are listed below: 1. Harmful to living stock: The algae are harmful to humans in several ways. Volvocales, Chlorococcales, Myxophyceae and several others occur in such a great abundance in water, that they colour the whole water either green or blue green and cause the death of fishes. The [...]
Useful notes on the classification of algae! For the first time, Aristotle (382-322 B.C.) and his pupil Theophrastus (372-287 B. C.), the father of Botany, classified the plants into three groups, i.e., trees, shrubs, and herbs. This classification was based on the form and texture of the plants. Here, they considered the trees to be highest evolved. Image Curtsey: [...]
