1. 1. Acoelomata. Spongilla, Sea anemone, Planaria, Liver fluke. 2. Psudocoelomata. Wuchereria, Ascaris. 3, Coelomata. Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.

    1. Acoelomata. Spongilla, Sea anemone, Planaria, Liver fluke.
    2. Psudocoelomata. Wuchereria, Ascaris.
    3, Coelomata. Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.

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