The following points highlight the top three types of system of plant classification. The types are: 1. Artificial Classification 2. Natural Classification 3. Phylogenetic Classification. Plant Classification: Type # 1. Artificial Classification: The earliest systems of classification which remained dominant from 300 B.C. up to about 1830 were artificial systems, which were based on one or a few easily observable characters [...]
The following points highlight the eleven representative types of Sponges. The types are: 1. Euplectella 2. Hyalonema 3. Pheronema 4. Oscarella 5. Cliona 6. Tethya 7. Halichondria 8. Spongilla 9. Chalina 10. Euspongia 11. Hippospongia. Type # 1. Euplectella: Euplectella aspergillum (Fig. 27.1) is commonly known as Venus' flower basket. It is a glass sponge. The body is cylindrical and [...]
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; [...]