Why do moss plants produce very large number of male gametes ? Provide one reasons. What are these gametes called ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Moss Plants**: Moss plants belong to the group of bryophytes. They are non-flowering plants that reproduce via spores and gametes.

2. **Need for Water in Fertilization**: Mosses require water for the process of fertilization. This is because their male gametes need to swim to reach the female gametes.

3. **Production of Male Gametes**: To ensure successful fertilization, moss plants produce a very large number of male gametes. This is necessary because many of these gametes may be destroyed or may not reach the female gametes due to various environmental factors.

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