Define metagenesis

Explanation

**Step-by-Step Text Solution for the Definition of Metagenesis:**

1. **Understanding Metagenesis**: Metagenesis is a biological process that involves the alteration of generations in certain organisms. This means that there are two distinct phases in their life cycle: an asexual phase and a sexual phase.

2. **Phases of Metagenesis**:
- **Asexual Phase**: In this phase, the organism reproduces asexually, meaning it can produce offspring without the need for fertilization.
- **Sexual Phase**: In this phase, the organism reproduces sexually, involving the fusion of gametes (sperm and egg).

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