In this article we will discuss about Antedon:- 1. Habit and Habitat of Antedon 2. External Structures of Antedon 3. Body Wall 4. Coelom 5. Digestive System 6. Respiratory System 7. Water Vascular System 8. Haemal System or Blood Lacunar System 9. Locomotion 10. Excretory System 11. Nervous System 12. Reproductive System 13. Fertilization and […]
Antedon: An Example of Phylum Echinodermata
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Larva Found in Phylum Echinodermata
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Larva Found in Phylum Echinodermata! 1. Dipleurula Larva: 1. The dipleurula form (Fig. 21.39A) is reached during development and is characterised by its bilaterally symmetrical, egg-shaped body. 2. The ventral concave side bears the mouth and is encircled by a circumoral ciliated band. 3. The anus is disposed ventrally. 4. The digestive canal is differentiated […]
Echinoderms: Classification, Habitat and Affinities
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In this article we will discuss about Echinoderms:- 1. Taxonomic Retrospect of Echinoderms 2. Definition and Origin of Echinoderms 3. Classification 4. Phylogenetic Considerations 5. Research 6. Habit and Habitat 7. Size 8. Shape and Symmetry 9. Body Wall and Skeleton 10. Digestive System 11. Coelom 12. Haemal System or Blood Lacunar System 13. Excretory […]
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