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11. Organisms of which phylum are called flat worms? |
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Answer» Flatworm, also called platyhelminth, any of the phylum Platyhelminthes, a group of soft-bodied, usually much flattened invertebrates. A number of flatworm species are free-living, but about 80 percent of all flatworms are parasitic—i.e.,livingon or in another organism and securing nourishment from it. |
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