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(B) The given characteristics describe an earthworm $(Pheretima)$.$(i)$ Earthworms belong to the phylum $Annelida$,which is characterized by metameric

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Pheretima

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(B) The given characteristics describe an earthworm $(Pheretima)$.$(i)$ Earthworms belong to the phylum $Annelida$,which is characterized by metameric segmentation (true segmentation).$(ii)$ They possess a closed circulatory system,where blood flows through vessels.$(iii)$ They utilize circular and longitudinal muscles in their body wall to facilitate locomotion through burrowing.Therefore,the correct specimen is $Pheretima$.

$A$ 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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$A$ 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.