Unlike animals possessing a complete digestive tract, animals with an incomplete digestive tract are characterized by _____.

+1 vote

 

  

a reduced anus located near the mouth

  

an enlarged cecum for fermentation

  

a single opening for both ingestion and elimination

  

sites for digestion and absorption

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

0 votes

 

a single opening for both ingestion and elimination

 

answered Dec 31, 2012 by anonymous



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