Mention the unique features of nematodes.
The unique features of nematodes are: - (i) Syncytial (no mesodermal lining). (ii) Body wall musculature is made of special types of muscles. (iii) Sexual dimorphism is quite clear. (iv) Their body is triploblastic and bilaterally symmetrical. (v) They are generally cylindrical in shape. (vi) Their body has a false cavity (pseudocoelomate). (vii) The alimentary canal is distinct, having the mouth and the anus.
