Which phylum of the following shows animals with parapodia as organs for locomotion?
A
Arthropoda
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B
Annetida
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C
Cnidaria
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D
Platyhelminthes
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Solution
The correct option is A Arthropoda The correct answer is Annelida,
Explanation : parapodia are structures of locomotion in Annelida, they are paired, unjointed and lateral protrusions. Annelida also shows chitinous setae and parapodia with setae.
In case of Arthropoda jointed appanages are present for locomotion.
In Cnidaria and Platyhelminthes locomotor structures are generally absent.