diversity-of-life

Question: Path of water in a sponge is

1) Dermal ostia $ \to $ Gastral ostia $ \to $ Osculum

2) Dermal ostia $ \to $ Gastral ostia $ \to $ Spongocoel $ \to $ Osculum

3) Osculum $ \to $ Spongocoel $ \to $ Choanocytes $ \to $ Ostia

4) Pinacocytes $ \to $ Choanocytes $ \to $ Enteron $ \to $ Osculum

Solution:

Explanation: No Explanation

Animalia Phylum-Porifera

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