The Timing of Puberty Has Changed Over the Past Few

question 127

Multiple Choice

The timing of puberty has changed over the past few generations.What does this trend likely reflect

• A) an increase in pollution 
• B) improvements in nutrition and medical care 
• C) increases in sexual activity at an earlier age, triggering earlier pubescence 
• D) changes in genetically predisposed timing of puberty

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Definitions:

Genetics

The science of genes, heredity, and the variation of organisms.

Evolutionary Changes

Alterations in the genetic makeup of populations over successive generations, often leading to the development of new species.

Environmental Factors

Elements within the surroundings that can influence or affect outcomes and developments in both natural and built environments.

Free Radicals

Molecules with an unpaired electron which can cause cellular damage, contributing to aging and diseases.