Asked by pritam | 14th Jan, 2010, 08:13: AM
- They are marine animals.May be solitary or colonial.
- Body is soft, unsegmented, worm-like and bilaterally symmetrical.
- Body divisible into proboscis, collar and trunk
- Gill slits are present.
- Alimentary canal is straight and anus is terminal.
Example - Balanoglossus, Saccoglossus
Answered by | 15th Jan, 2010, 03:32: PM
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