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In which phylum organisms alter their sy...

In which phylum organisms alter their symmetry from bilateral to radial during the development?

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Echinodermata
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ALLEN -ANIMAL KINGDOM-Exercise
  1. Animals of which phylum are reared for the production of pearls?

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  2. In which phylum the spiny bodied organisms are included?

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  3. In which phylum organisms alter their symmetry from bilateral to radia...

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  4. members of which phylum have ventral mouth and dorsal anus?

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  5. Water vascular system is a characteristic of which phylum?

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  6. name the excretory organ of balanoglossus:

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  7. Which subphyla are classifeid under protochordates?

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  8. In which subphylum notochord is present only in larval tail?

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  9. In which subphylum notochord extends from head to tail and persistent ...

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  10. In which subphylum notochord is replaced by vertebral column?

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  11. Which group of chordates possess sucking and circular mouth without ja...

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  12. In which class of fishes mouth is located ventrally?

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  13. Which types of scales are found on the body of cartilagenous fishes?

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  14. In which subphylum notochord extends from head to tail and persistent ...

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  15. The teeth in cartilaginous fishes are formed due to modification of wh...

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  16. What is the name of structure that prevents the bony fishes from sinki...

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  17. Why do chondrichthyes swim constantly?

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  18. Name a fish which has electric organ.

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  19. Name a fish which possess poisonous sting.

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  20. The animals which don't have the capacity of regulate their body tempe...

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