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CBSE Class 9 Answered

urgent
Asked by pritam | 14 Jan, 2010, 08:13: AM
answered-by-expert Expert Answer
  1. They are marine animals.May be solitary or colonial.
  2. Body is soft, unsegmented, worm-like and bilaterally symmetrical.
  3. Body divisible into proboscis, collar and trunk
  4. Gill slits are present.
  5. Alimentary canal is straight and anus is terminal.

Example - Balanoglossus, Saccoglossus

Answered by | 15 Jan, 2010, 03:32: PM
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