Give the significance of homologous organs.

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Homologous Organs**: Homologous organs are those that share a common ancestry but have evolved to perform different functions. This indicates that they have diverged from a common evolutionary path.

2. **Examples of Homologous Organs**: A classic example of homologous organs is the forelimbs of different animals. For instance:
- In humans, the forelimb (arm) is adapted for grasping and manipulation.
- In bats, the forelimb is modified for flying.
- In whales, the forelimb has evolved into flippers for swimming.
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