Identify the examples of convergent evolution from the following :
(i) Flippers of penguins and dolphins
(ii) Eyes of octopus and mammals
(iii) Vertebrate brains

Explanation

To identify the examples of convergent evolution from the given options, we need to understand the concept of convergent evolution and how it differs from divergent evolution.

### Step-by-Step Solution:

1. **Understand Convergent Evolution**:
- Convergent evolution occurs when unrelated organisms evolve similar traits or functions due to similar environmental pressures, despite having different ancestral origins. This results in analogous structures.

2. **Analyze the Given Options**:
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