1. 5 KINGDOM : ANIMALIA The Sponges

2. Kingdom Animalia(Metazoa) 1. Mesozoa 2. Parazoa 3. Eumetazoa

3. Mesozoa 1. Phylum Mesozoa

4. Mesozoa

5. Parazoa Parazoa 1. 1. Phylum Placozoa 2. 2. Phylum Porifera : Sponges

6. Trichoplax adhaerens

7. Sponges 1. Ostia 2. Oscula 3. Spicule 4. Spongin

8. Spicule

9. Spicule

10. Spongin

11. Types of Cells 1. 1. Mesohyl 2. 2. Pinacocyte 3. 3. Myocyte 4. 4. Choanocyte 5. 5. Archaeocyte / Sclerocyte / Spongocyte 6. 6. Collencyte / Lophocyte

12. Types of Cells

13. Choanocyte

14. Types of Canal Systems 1. 1. Asconoid 2. 2. Flagellated Spongocoels /Leucosolenia 3. 3. Syconoid 4. 4. Flagellated Canals/ Sycon 5. 5. Leuconoid 6. 6. Flagellated Chambers/Euspongia

15. Types of Canal Systems

16. Wall of sponge Sycon

17. Radial canals

18. Sponge Physiology Intracellular Digestion

19. Sponge Reproduction 1. External Bud 2. Internal Bud / Gemmule 3. Viviparous 4. Sperm / Oocyte 5. Oviparous 6. 6. Regeneration and Somatic Embryogenesis

20. Gemmule

21. Gemmule

22. Sponge Classification 1. 1. Class Calcarea / Sycon / Leucosolenia 2. 2. Class Hexactinellida / Euplectella 3. 3. Class Demospongiae / Spongilla 4. 4. Class Sclerospongiae

23. Development of Demosponges

24. Glass Sponge Skeleton

25. Euplectella

26. Venus Flower Basket Sponge

27. A building like Euplectella

28. Glass Sponge Spicules

29. Spongilla

30. Spongilla

31. Bath Sponge

32. Types of Spicules & Sponges