Name any two ex-situ conservation for biodiversity?

Explanation

**Step-by-Step Solution:**

1. **Understanding Ex-situ Conservation:**
- Ex-situ conservation refers to the conservation of species outside their natural habitats. This method is used primarily for endangered or threatened species to ensure their survival and to prevent extinction.

2. **Identifying Two Ex-situ Conservation Methods:**
- The question asks for two examples of ex-situ conservation methods.

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