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Regarding symmetry in animals : Match the following and choose the most appropriate option:

A. asymmetrical 1. Annelids
B. bilateral symmetry 2. Arthropods
C. radial symmetry 3. Coelenterates
4. ctenophores
5. Echinoderms
6. sponges

( A ) A-5; B-1,2; C-3,6
( B ) A-5; B-1,2; C-3,4,6
( C ) A-4; B-1,2,3; C-5,6
( D ) A-6; B-1,2; C-3,4,5

1 Answer

(D) is the right answer.

Animals can be categorised on the basis of their symmetry. Sponges are mostly asymmetrical. Coelenterates, ctenophores and echinoderms have radial symmetry. Animals like annelids, arthropods exhibit bilateral symmetry.
answered Apr 2, 2014 by pady_1