In this article we will discuss about Sponges:- 1. Taxonomic Retrospect of Sponges 2. Definition and Origin of Sponges 3. General Features 4. Habitat 5. Structural Peculiarities 6. Development 7. Affinities 8. Regeneration 9. Phylogeny. Contents: Taxonomic Retrospect of Sponges Definition and Origin of Sponges General Features of Sponges Habitat of Sponges Structural Peculiarities of […]
Sponges: Definition, Features and Habitat | Phylum Porifera
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An Example of Phylum Porifera: Sycon
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In this article we will discuss about Sycon:- 1. Habit and Habitat of Sycon 2. Structure of Sycon 3. Canal System 4. Physiology of Water Current Production 5. Microscopic Organisation 6. Nutrition, Respiration and Excretion 7. Reproduction 8. Development. Contents: Habit and Habitat of Sycon Structure of Sycon Canal System of Sycon Physiology of Water […]
Skeletal Elements Found in Sponges | Phylum Porifera
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The following points highlight the two main skeletal elements found in sponges. The types are: 1. Spongin 2. Spicules. Skeletal Element: Type # 1. Spongin: The spongin comprises of fibres of spongin and they resemble silk in appearance. These are proteinaceous secretion of the spongioblasts and form a network. In most cases, the spongin fibres […]
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