The subkingdom Parazoa consists of:

radially symmetrical sponges, jellyfishes, and their relatives

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only animals that do not feed by ingestion

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animals with protostome-type development

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animals lacking tissues and organs

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Solution

The correct option is C animals lacking tissues and organs
The subkingdom Parazoa includes multicellular organisms having less-specialized cells than in the Metazoa. It includes the phylum Porifera (sponges) and the organisms under this phylum lack tissues with a mass of cell embedded in a gelatinous matrix. Jellyfishes belong to the phylum Cnidaria and they do not belong to this subkingdom.
So, the correct option is 'animals lacking tissues and organs'.

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