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Which of the Following Factors Seems to Be Most Involved

question 106

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Which of the following factors seems to be most involved in causing the drop in the average age of menarche that has been seen in many industrialized nations over the past 150 years?


Definitions:

Natural Selection

The evolutionary process where organisms better adapted to their environment tend to survive and produce more offspring.

Human Intelligence

The capacity for logic, understanding, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, and problem-solving.

Common Ancestry

The concept in evolutionary biology that different species share ancestors from which they have diverged over time.

Genome

The full collection of genes or genetic material found in a cell or organism.

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