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Question
One example of animals having a single opening to the outside that serves both as mouth, as well as the anus, is:
One example of animals having a single opening to the outside that serves both as mouth, as well as the anus, is:
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Solution
The correct option is B Fasciola
Fasciola, a flatworm has a single body cavity to the outside that serves both as a mouth for ingestion and anus for egestion of undigested food. This is known as a blind sac plan. Hence, option C is correct.
Fasciola, a flatworm has a single body cavity to the outside that serves both as a mouth for ingestion and anus for egestion of undigested food. This is known as a blind sac plan. Hence, option C is correct.
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