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Phylum – Annelida : Match the following and choose the most appropriate option:

A. Nephridia 1. Nereis
B. Parapodia 2. excretion
3. lateral appendages
4. osmoregulation
5. swimming

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

1 Answer

(A) is the right answer.

Phylum – Annelida : Aquatic annelids like Nereis possess lateral appendages, parapodia, which help in swimming. A closed circulatory system is present. Nephridia (sing. nephridium) help in osmoregulation and excretion.
answered Apr 2, 2014 by pady_1
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