Which of the following is the best way to examine how environment alters the degree of relatedness for intelligence?

A) by examining monozygotic and dizygotic twins
B) by examining twins compared to siblings born at different times
C) by examining monozygotic twins reared apart and together
D) by examining intelligence scores across the century

Environment Alterations

Changes made to the natural or built environment, often due to human activity, which can impact ecosystems and human societies.

Relatedness

The state or fact of being connected or related to something else, often used in psychology to describe the feeling of being emotionally connected to others.

Monozygotic Twins

Twins that develop from a single fertilized egg, making them genetically identical.