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NEET2010BotanyAnimal KingdomActual

One example of animals having a single opening to the outside that serves both as mouth as well as anus is

Options

  1. AOctopus
  2. BAsterias
  3. CAscidia
  4. DFasciola

Correct answer

D. Fasciola

Step-by-step solution

Fasciola hepatica (sheep liver fluke) belongs to phylum-Platyhelminthes. These worms have incomplete alimentary canal, there is a single opening for both ingestion and egestion. This is also called as blind sac body plan.

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