Corpora bigemina is found in brain of ………... while corpora quadrigemina is found in brain of …………... .

Explanation

### Step-by-Step Solution:

1. **Identify Corpora Bigemina**:
- Corpora bigemina refers to the two optic lobes in the brain.
- These lobes are primarily associated with visual processing.

2. **Determine the Organism for Corpora Bigemina**:
- The corpora bigemina is found in the brain of frogs.
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