Name any two temporary embryonic structures in vertebrates which provide evidence for evolution.

Explanation

To answer the question about two temporary embryonic structures in vertebrates that provide evidence for evolution, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Temporary Embryonic Structures**:
- Temporary embryonic structures are those that are present during the embryonic development stage but do not persist in the adult form. They are crucial for understanding evolutionary relationships among species.

2. **Identify the First Example**:
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