List any four steps involved in sexual reproduction and write its two advantages.

Explanation

**Step-by-Step Solution:**

1. **Formation of Gametes**: The first step in sexual reproduction involves the formation of male and female gametes. These gametes are produced through a process called gametogenesis, where the male produces sperm and the female produces eggs.

2. **Fertilization**: The second step is fertilization, which occurs when the male gamete (sperm) merges with the female gamete (egg). This fusion results in the formation of a zygote.

3. **Zygote Development**: In the third step, the zygote undergoes cell division and development. This process leads to the formation of an embryo, which is the early stage of development for a new individual.

...