In digestion intracellular or exracellular? And is fertilisation internal or external?

Please find below the solution to the asked query

The organisms belonging to phylum annelida have extracellular digestion. They have complete digestive system with mouth and anus. In some annelids fertilisation is internal and in some forms fertilisation is external. 

Hope this information will clear your doubts about the annelida‚Äč.

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