Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)

Explanation

To trace the various components of human evolution, we can analyze the different stages of our ancestors, focusing on brain size and function, skeletal structure, dietary preferences, and other significant features. Here’s a step-by-step breakdown of the evolution of humans based on the information provided:

### Step 1: Dryopithecus
- **Brain Size**: Not noted.
- **Skeletal Structure**: Ape-like body posture with equally sized arms and legs.
- **Dietary Preference**: Herbivorous, primarily consuming leaves and tender fruits.
- **Features**: Presence of canines; walked in a manner similar to modern monkeys or apes.

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