Animal having a single opening to the outside that serves both as mouth as well as anus

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Animal having a single opening to the outside that serves both as mouth as well as anus is:

Options

(a) Octopus
(b) Asterias
(c) Ascidia
(d) Fasciola

Correct Answer:

Fasciola

Explanation:

Fasciola, a flatworm has a single body cavity to the outside that serves both as mouth for ingestion and anus for egestion of undigested food. This is known as blind sac plan.

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Plant and Animal Kingdom (295)
Subject: Biology (4253)

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