In this article we will discuss about the vegetative and sexual methods of reproduction that occur in the life cycle of Navicula. Vegetative Reproduction: It takes place by the mitotic cell division or fission. Successive cell division takes place very rapidly at night. Presence of aluminium-silicate in water is essential for cell division to occur. […]
Life Cycle of Navicula (With Diagram)
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Sargassum: Occurrence, Structure and Reproduction
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In this article we will discuss about Sargassum:- 1. Occurrence of Sargassum 2. Thallus Structure of Sargassum 3. Growth. Occurrence of Sargassum: The genus Sargassum is represented by about 150 species. The genus is widely distribute; specially in warmer regions mainly in tropical and subtropical seas of the southern hemisphere. The plants form large floating […]
Life Cycle of Ectocarpus (With Diagram) | Phaeophyta
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In this article we will discuss about the asexual and sexual reproduction that occurs in the life cycle of ectocarpus. (i) Asexual Reproduction in Ectocarpus: The asexual reproduction takes places with the help of biflagellate zoospores. These zoospores are produced in unilocular and plurilocular sporangia (Fig. 1 B). The sporophytic diploid plant forms two types […]
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