Name the ancestor of human nicknamed as Handy man

Answer

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

1. **Identify the Ancestor**: The ancestor of humans that is nicknamed "Handy Man" is known as **Homo habilis**.

2. **Time Period**: Homo habilis is believed to have existed approximately **2.4 million years ago**.

3. **Posture and Movement**: Homo habilis exhibited an **erect posture**, which is also referred to as a **straight posture**. They were capable of **bipedal movement**, meaning they walked on two legs.

4. **Brain Size**: This ancestor had a relatively large brain compared to other hominoids, with a brain size ranging from **500 to 800 cc**.

5. **Communication**: Homo habilis is noted to have had some form of **communication signs**, which indicates they could communicate with one another.

6. **Tool Making**: The most significant reason for the nickname "Handy Man" is that Homo habilis is recognized as the first **stone tool maker**. They created and used stone tools for various purposes, including **cooking and defense**.

7. **Conclusion**: Due to their tool-making abilities and other characteristics, Homo habilis is referred to as "Handy Man."

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