Class Polychaeta
In annelid, primary typical segment, usually bearing mouth, tentacles or cirri is called:
peristomium
prostomium
nephridia
mouth
peristomium
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Common name for arenicola is:A. round worm
B. tapeworm
C. lugworm
D. creeper
Member of class Polychaeta has a
A. closed circulatory system
B. open circulatory system
C. four chambered heart
D. lack circulation
Tentacles are also known as:
A. sori
B. cirri
C. cilia
D. stomium
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