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Mention the type of digestion shown by m...

Mention the type of digestion shown by members of Porifera.

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ASSAM ACADEMIC CENTRE-ANIMAL KINGDOM-EXAMPLE
  1. Write the scientific name of the freshwater sponge.

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  2. Name the cells that line the spongocoel in Sycon.

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  3. Mention the type of digestion shown by members of Porifera.

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  4. What is the skeleton of Poriferans made of?

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  5. What term is given to the middle gelatinous layer of the body wall of ...

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  6. What term is given to the asexually reproducing phase of certain cnida...

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  7. Name the opening of the gastrovascular cavity of cnidarians. Where is ...

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  8. Name two cnidarians that are polyps.

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  9. Name one cnidarian that has both polyps and medusae.

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  10. Name the phylum to which sea-walnuts belong. What other common name is...

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  11. What is bioluminescene?

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  12. Why are animals of phylum Platyhelminthes known as flatworms?

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  13. Name the flatworm that has high power of regeneration.

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  14. Animals of Platyhelminthes are described as acoelomates. Justify.

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  15. Why are the parasitic forms of Plathelminthes provided with hooks and ...

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  16. Why are animals of Aschelminthes called roundworm?

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  17. Why is the coelom in Ascaris described as pseudocoelom?

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  18. Why is the phylum Annelida named so?

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  19. Name the phylum where animals have haemoglobin dissolved in the plasma...

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  20. What is the function of parapodia? Name one animal that has parapodia.

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