Question #9a334

1 Answer
Dr Birendra Kumar Mishra
Nov 14, 2016

Armed body.

Explanation:

  1. The characteristics features of the Phylum Echinoderms are radial symmetrical body, several arms radiating from a centre of the body. The body consists of five equal segments (pentamerous), each containing a duplicate set of various internal organs.
  2. They are strictly marine.
    Thank You.
Related questions
See all questions in Animal Classification
Impact of this question
1410 views around the world
You can reuse this answer
Creative Commons License