Question

Question 24
One of the following is not an Annelid

(a) Nereis
(b) Earthworm
(c) Leech
(d) Urchins

Answer 1

(d) Urchins

Urchins belongs to Echinodermata.

Echinoderm, any of a variety of invertebrate marine animals belonging to the phylum Echinodermata that characterized by a hard, spiny covering or skin.

It comprises of starfishes, sea urchins etc.

Members of the Phylum Annelida can be found throughout the world, in marine, freshwater, and terrestrial environments.

The annelids include earthworms, ragworms, ringed worms and leeches. All members of the group are made up of segments that are formed by subdivisions that partially transect the body cavity.