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Notes On Coelentrata

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Published in: Biology
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CHARACTERISTICS OF COELENTRATA

Fatima J / Hyderabad

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  1. CHARACTERISTICS OF COELENTRATA 1. They are multicellular. 2. They exhibit tissue grade system of body organisation. 3. They are diploblastic. 4. The outer layer is called ectoderm and inner layer is called endoderm. 5. They show radial symmetry. 6. They are mostly aquatic. 7. They can live in both marine as well as freshwater habitats. 8. The mouth is surrounded by short and thin tentacles. 9. The digestion is both intra cellular and extra cellular. Nervous and circulatory systems are absent. 10. They are acoelomate. 11. They excrete and respire through diffusion. 12. They are ammonotelic. 13. They are carnivores and can digest anything but 14. starch. 15. They reproduce mostly asexually through budding. Tentacle Hydra Coelenterata Jellyfish