Echinoderms are exclusively marine. Water Vascular System is present.

1. Presentation
Title
Presenter Name
General characteristics
of
Echinodermata

2. Agenda
Introduction
Key Characteristics
General Characteristics
Example
Summary

3. Introduction
Echinos: Spines; derma: Skin

4. Key Personality
Marine, Endoskeleton

5. water vascular system
Present

6. tube feet
Present

7. Scientific classification
Kingdom: Animalia
Note
All animals are members of the Animalia

8. Habitat
 These are exclusively marine
Note
Habitat: Natural environment of an animal

9. Symmetry
Adults are radially symmetrical while the
larvae are bilaterally symmetrical
Note Symmetry: Repetition of the parts in an animal

10. Grade of Organization
Organ System Grade

11. Body
Body without segmentation

12. Germ layer
triploblastic
Germ layer
endoderm
(inner layer)
ectoderm
(outer layer)
mesoderm
(middle layer)
Note
Tri: Three (3)

13. Respiration
 by papule, gills or clocal respiratory
tree

14. Nervous system
absent, they are brainless organism

15. Circulatory system
(or)
Cardiovascular system
reduced, heart is absent
cardiovascular system
open closed

16. 1. Head
2. Excretory system
absent

17. Reproduction
Sexual: gamatic fusion
Asexual: regeneration
Reproduction
Sexual Asexual

18. Fertilization
external
Fertilization
Internal external

19. Development
indirect with characteristic larvae
Development
Direct Indirect

20. Example
Asterias (Starfish)
Echinus (Sea urchin)
Antedon (Sea lily)
Cucumaria (Sea cucumber)
Ophiura (Brittle star)

21. Summary
Endoskeleton

22. Thank You
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