Nereis is an aquatic annelid. Its parapodia help it_________
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Solution
Nereis
Nereis is an annelid that lives in water. It can swim due to its parapodia.
The Nereida family includes the Polychaeta worm genus Nereis.
For locomotion, they have setae and parapodia.
Every segment of the body, with the exception of the peristomium and the anal segment, has a parapodium on either side, which is a flat, fleshy, hollow, vertical flap-like protrusion.
Final answer: Nereis is an aquatic annelid. Its parapodia help it swim.