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What was the most significant trend in evolution of modern man (Homo sapiens) from his ancestors?

1. Upright posture
2. Shortening of jaws
3. Binocular vision
4. Increasing brain capacity

Correct answer: Increasing brain capacity

Solution

The most significant evolutionary trend in Homo sapiens was the enlargement of the brain, because it is closely linked to higher intelligence, language, planning, and culture. Other changes occurred too, but increasing brain capacity is the key overall trend from ancestral forms.

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