Q. Nereis, Pheretima (Earthworm) and Hirudinaria (blood sucking leech) are examples of which Phylum?

A
Coelenterata
B
Aschelminthes
C
Annelida
D
Arthropoda
Solution:
  • Annelida is a species of phylum consisting of worms with equal limbs and two-sided limbs. These include earthworms, earthworms and seaweed.
  • The name Analida comes from the Latin word annulus, meaning small ring.
  • The body has a long body and is divided into several segments. Each body is called a metamere.
  • Metamorphoresis is found in the periphery of blood vessels, nerve ganglions, genitalia, and muscles. In fact most of the essential parts are repeated this way.
  • Metamerism is the repetition of the internal organs within such bodies.
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