Answer:
(i) Organisation Platyhelminthes are Metazoa with organ
level of organisation.
(ii) Germ Layer The animals are triploblastic, i.e., they possess
all the three germ layers like ectoderm, mesoderm and endoderm.
(iii) Body Form They possess soft, elongated, usually dorsoventrally
flattened, leaf-like or tape-like body.
(iv) Symmetry They possess bilateral symmetry (animals can be divided
into two halves by just one plane).
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