Animal KingdomEasy
Question
One examples of animals having a single opening to the out side that serves both as mouth as well as anus is
Options
A.Octopus
B.Asterias
C.Ascidia
D.Fasciola
Solution
Faciola hepatica (sheep liver fluke) belongs to phylum-Platyelminthes. These worm has incomplete alimentaey canal, there is a single opening for both ingestion and egestion. This is also called as blind sac body plan.
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