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Sexual phase of Nereis is called ……… ....

Sexual phase of Nereis is called ……… .

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**Step-by-Step Solution:** 1. **Understanding Nereis**: Nereis is a genus of polychaete worms, commonly known as ragworms. They are marine annelids that have distinct life phases. 2. **Identifying the Sexual Phase**: The question specifically asks for the sexual phase of Nereis. In this phase, the organism develops specialized reproductive structures. 3. **Defining the Sexual Organs**: In Nereis, the male and female reproductive organs are modified and distinct from each other. This differentiation is crucial for successful reproduction. ...
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