How do darwin' s finches illustrate adaptive radiation ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Adaptive Radiation:**
- Adaptive radiation is the evolutionary process where organisms diversify rapidly into a wide variety of forms to adapt to different environments. This often occurs when a new habitat is available or when a species colonizes a new area.

2. **Introduction to Darwin's Finches:**
- Darwin's finches are a group of about 15 species of finches found on the Galapagos Islands. They are a classic example of adaptive radiation, as they evolved from a common ancestor.

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