Through which hole the animals in this phylum give out water from their body? - Science and Technology 2

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Through which hole the animals in this phylum give out water from their body?

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Osculum

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Chapter 6: Animal Classification - Solve the following questions

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SCERT Maharashtra Question Bank 10th Standard SSC Science and Technology 2 Maharashtra State Board
Chapter 6 Animal Classification
Solve the following questions | Q 10.2

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