Which of the following is wrongly matched?

Which of the following is $NOT$ true for $Phylum$ $Echinodermata$?

Select the correct pair.

What is correct for fishes,amphibians,reptiles,Aves,and mammals?

Column $-II$ below consists of brief descriptions of organisms in column $-I$. Which of the following is an incorrect match between column $-I$ and column $-II$?

Column $-I$	Column $-II$
$A$. Millipede	Terrestrial organism with two pairs of jointed appendages attached to each of its many body segments and respires through trachea.
$B$. Nereis	Numerous setae on lateral appendages called parapodia.
$C$. Taenia solium	Body is covered with cuticle,alimentary canal absent.
$D$. Ctenophores	Radially symmetrical,devoid of cnidoblasts,polyp stage present in their life cycle.

Flatworms and roundworms are respectively called ........