Sisters Hillary and Jennica are taller and heavier than their mother was at their age. This is an example of

Question

Quizplus · Accepted Answer

A secular trend refers to a long-term and consistent change in physical or biological characteristics of a population over time. In this case, the fact that the sisters are taller and heavier than their mother was at their age suggests a secular trend towards greater height and weight in the population. Option A refers to the idea that new generations are different from their parents due to changes in the environment or genetics, but it is not specific to physical traits. Option B refers to misalignment of teeth, which is not related to height or weight. Option D refers to a genetic change that occurs over many generations in response to environmental pressures, which is not relevant to this scenario.

Sisters Hillary and Jennica Are Taller and Heavier Than Their