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

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.

admin:

Related Questions

  1. The transgenetic animals are those which have
  2. Identify the possible link “A” in the following food chain : Plant insect – frog
  3. In mammalian ear a membranous structure which separate the scala vestibuli
  4. Structural and functional unit of contractile apparatus in striated muscle
  5. In transcription the terminating factor is