What is the main difference between nereis and heteroneris
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Answer:
1.a free-swimming dimorphic sexual individual of certain polychaete worms (family Nereidae) characterized by greatly enlarged eyes, enlarged and modified parapodia and other appendages, and more or less complete obliteration of the internal viscera by masses of developing germ cells.
2.Neris (, , ) is a river rising in Belarus. ... The Nerisconnects two old Lithuanian capitals – Kernavė and Vilnius. Along its banks are burial places of the pagan Lithuanians. At from Vilnius are the old burial mounds of Karmazinai, with many mythological stones and a sacred oak.
Nereis posses setae and parapodia for locomotion. acicular setae provide support. locomotor chaetae are for crawling, and are the bristles that are visible on the exterior of the polychaeta.
they are cylindrical in shape. they four d in sandy area and they are adapted to burrow