Asked by pritam | 14th Jan, 2010, 08:13: AM

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  | 15th Jan, 2010, 03:32: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.