Friday, February 25, 2005

Annelid, Size range and diversity of structure

The length of annelids varies from a fraction of an inch to more than six metres (about 20 feet). The width may exceed 2.5 centimetres (about one inch) in the contracted state. Free-moving polychaetes and earthworms include the largest species. Leeches attain lengths of about 0.4 metre in the contracted state.


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