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 Development of Sponges Affinities [...]
The following points highlight the three main types of canal system encountered in sponges. The types are: 1. Ascon Type 2. Sycon Type 3. Leucon Type and 4. Rhagon Type. 1. Asconoid Type: The asconoid type of canal system is regarded to be the most simple and primitive grade of canal system. Asconoid type is present in these sponges whose [...]
In this article we will discuss about Sponges:- 1. History of Sponges 2. Definition of Sponges 3. Origin 4. General Characters 5. Classification 6. General Organisation 7. Canal System 8. Skeleton 9. Reproduction 10. Development 11. Animal Nature 12. Affinities 13. Economic Importance. Contents: History of Sponges Definition of Sponges Origin of Sponges General Characters of Sponges Classification of Sponges [...]