Differentiate between Planogametic copulation and gametangial copulation

Explanation

### Step-by-Step Solution

1. **Definition of Copulation**:
- Begin by understanding that copulation refers to the process of sexual reproduction where gametes (reproductive cells) come together to form a zygote.

2. **Planogametic Copulation**:
- This type of copulation involves the fusion of two naked gametes, which are referred to as planogametes.
- Planogametes can be motile, meaning they can move independently towards each other to facilitate fusion.
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