Mention the advancement which Neanderthal man showed over Homo erectus.

Explanation

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

1. **Introduction to the Species**: Begin by understanding the two species in question: Homo erectus and Neanderthal man. Homo erectus is known as the first upright species of humans, capable of standing straight.

2. **Physical Structure**: While Homo erectus was fully upright, Neanderthal man had a slightly different physical structure, often described as having a more bent-over body posture. This indicates a difference in physical adaptation.

3. **Cranial Capacity**: One of the significant advancements of Neanderthal man over Homo erectus is in brain size. Neanderthal man had a cranial capacity of approximately 1400 cubic centimeters (cc), while Homo erectus had a cranial capacity of around 900 cc. This suggests that Neanderthal man had a larger brain, which is often associated with higher cognitive abilities.

...