How do Darwins finches illustrate adaptive radiation ?

Explanation

**Step-by-Step Solution:**

1. **Introduction to Darwin's Finches:**
- Darwin's finches are a group of bird species found on the Galapagos Islands. They are known for their diverse beak shapes and sizes, which have evolved to adapt to different environmental conditions.

2. **Origin of the Finches:**
- The finches originally migrated from South America, specifically from Ecuador, to the Galapagos Islands. This migration set the stage for their adaptive radiation.

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