Which of the following is a wrong statement?

Millipedes have two pairs of appendages in each segment of the body.

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Prawn has two pairs of antennae.

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Animals belonging to phylum Porifera are exclusively marine.

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Nematocysts are characteristic of the phylum Cnidaria.

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Solution

The correct option is C Animals belonging to phylum Porifera are exclusively marine.
Most of the animals belonging to phylum Porifera are marine, but few are distinctly freshwater inhabiting. e.g. - Spongilla.
Porifera have a cellular level of organization and thus, do not possess any organs.
They respire through the oxygen diffusion from water.

Thus, the correct answer is option C.

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