A) transformation of sexual individual into asexual
B) sexually matured with two regions atoke and epitoke
C) sexually immatured with two regions etoke
D) and epitoke
Correct Answer: B
Solution :
In some species of Neries (like-N.dumeriui), sexual maturation results in the marked differentiation of body into two parts : Small anterior parts of body (atoke) and Posterior gamete containing part (epitoke). The external changes make it so different that formerly, it was believed to be a separate genus, Heteronereis.
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