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4. Animal Kingdom
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Q6 of 10 Page 4

How important is the presence of air bladder in Pisces?

The presence of air bladder in Pisces is important because it regulates buoyancy.

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4 What are the peculiar features that you find in parasitic platyhelminthes? 5 What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom? 7 What are the modifications that are observed in birds that help them fly? 8 In which of the following is Segmentation in the body first observed:(a) Platyhelminthes (b) Aschelminthes (c) Annelida (d) Arthropoda.
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4. Animal Kingdom
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