Polymorphism in obelia
WebAn example of cnidarian dimorphism can be seen in the colonial hydroid Obelia. The sessile asexual colony has two types of polyps, shown in (Figure 3). The first is the gastrozooid, which is adapted for capturing prey and … WebSep 9, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.
Polymorphism in obelia
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WebObelia is a typical representative of colonial hydrozoa (Fig. 12.14). It is exclusively marine. It exists in two principal forms, the polyp and the medusa. The polyp or hydroid form represents the asexual phase of its life-history and the medusoid form represents the sexual phase. There is an alternation of these two phases or generations ... WebApr 8, 2024 · In this video lecture, the Polymorphism in obelia, its life cycle and the difference between polyp and medusa has discussed in detail
WebTrimorphism: Trimorphic species include Obelia and Plumularia, which feature medusa-producing blastostyle or gonozooids in addition to gastrozooids and medusa. … WebPolymorphism the feature of the population which includes more than one type of structurally and functionally different individuals. For example, in Obelia shows polymorphism, the gastrozooids for feeding and the individuals capable of asexual reproduction only are the gonozooids, the blastostyles and medusae. In the species of …
WebTrimorphism: Some species like Obelia and Plumularia are trimorphic because besides gastrozooids and medusa, they also have medusa-producing gonozooids or blastostyle. Polymorphism: Coelenterates having more than three types of individuals are called polymorphic, e.g. Hydractinia which has five types of zooids, each performing a specialized
WebZoology first year.Polymorphism . Polymorphism in Obelia
Web• Polymorphism . Page 3 of 12 INTRODUCTION Obelia is a sedentary colonial marine cnidarian which grows upright in a branching tree-like form and has several specialized feeding and reproductive polyps. It is commonly called sea-fur It exists in both asexual, ... dalby \u0026 district safety suppliesWebAug 26, 2024 · POLYMORPHISM Thus, the life cycle of Obelia includes three distinct types of zooids; a) Nutritive polyps – hydranths b) Asexual reproductive polyps – blastostyles c) … dalby tyres pty ltdWebObelia is sedentary, marine colonial form found attached on the surface of sea weeds, molluscan shells, rocks and wooden piles in shallow water up to 80 metres in depth. … dalby \u0026 district friendly society dispensaryWebNov 20, 2024 · Discuss in short the polymorphism in Obelia, Vallela, Physalia, Porpita, Aurilia? Nov 18 2024 08:12 AM. 1 Approved Answer. Sumaiyya k answered on November 20, 2024. 5 Ratings (11 Votes) The occurrence of more than one type of structurally and functionally different individuals within a population is called polymorphism. biotop englishWebObelia / Sea FurPolymorphism in Phylum Coelenterata / CnidariaBlastostyle or Gonozooid or BlastozooidMedusae/ Gonophores/ Sexual ZooidsTopic for IAS(civil se... biotope wienerberg city loginWeb2. Structure of Obelia: A. Hydroid or Polyp Phase: This stage of Obelia is a branched filament like structure and remains attached with the … biotopes auberiveWeb6. The proximal end gradually narrows down and a disc appears for attachment. The distal end expands and by developing a manubrium and a circlet of tentacles, it turns to a … biotope sachsen