A student was given a specimen to identify on the basis of the characteristics given below. (i) They are metamerically segmented. (ii) Presence of closed circulatory system. (iii) They have circular and longitudinal muscles for locomotion. Identify the specimen.
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Correct Answer : B.
Pheretima belongs to annelida phylum. Annelida is a group commonly referred to as segmented worms, and they are found worldwide from the deepest marine sediments to the soils in our city parks and yards.