Why these animals are called flatworms
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The thousands of different species of flatworms are traditionally classified by whether they are parasitic. ... Flatworms are called flatworms because the are, once more, flat worms. Since planarians and flukes are both flat-bodied worms in the phylum Platyhelminthes, they are called flatworms (as are all Platyhelminthes).
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They have unsegmented body...
it has no body cavity.
no specilised respiratory or circulatiry organ thanku
it has no body cavity.
no specilised respiratory or circulatiry organ thanku
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