In this article we will discuss about Coral Reefs:- 1. Definition of Coral Reef 2. Distribution and Conditions of Coral Reef Formation 3. Components 4. Types 5. Formation. Definition of Coral Reef: Vaughan (1917) has defined coral reef as "a ridge or mound of lime stone, the upper surface of which is near the surface of the sea and which [...]
The following points highlight the seventeen representative types of Coelenterata. The types are: 1. Bougainvillea 2. Physalia 3. Halistemma 4. Velella 5. Porpita 6. Lucernaria 7. Cyanea 8. Rhizostoma 9. Tubipora 10. Gorgonia 11. Corallium 12. Pennatula 13. Renilla 14. Adamsia 15. Fungia 16. Madrepora 17. Astraea. Coelenterata: Representative Type # 1. Bougainvillea: Bougainvillea (Fig. 35.1) is a dimorphic colony; [...]
Phylum Ctenophora: Features, Characters and Other Details! Habit and Habitat of Phylum Ctenophora: Ctenophores are very common marine animals found in diverse habitat. They are widely distributed being specially abundant in the warmer seas, though some occur in temperate or arctic regions. They are of planktonic habit floating in the surface waters, mostly near shores but a few live to [...]