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When physical characteristics, such as early onset of menstruation or increased height and weight (due to better nutrition) change over the course of several generations, this is an example of a Group of answer choices d) secondary characteristic. a) generational cycle. b) primary characteristic. c) secular trend.

Respuesta :

This is a multigenerational pattern of change known as a secular trend. It is an adaptation of the organism's expression dependent on the surroundings.

What is meant by a Secular trend?

In the past century, there seems to be a startling trend toward children of all ages getting bigger and bigger. The "secular trend" is what is meant by this. The scale of the tendency in America and Europe is so great that all dwarfs the variations among social strata.

Causes of these things-

The secular tendency has several potential causes.

  1. Better nutrition is undoubtedly a significant factor, with probably extra proteins and carbohydrates in the early stages of infancy.
  2. The prevalence of illness may have declined as well.
  3. Early menarche was often thought to be strongly linked to hot temperatures, but it appears that their impact, if any, is far less significant than even nourishment.

Therefore it is concluded that the correct choice is option (C) secular trend.

Learn more about a secular trend here:

https://brainly.com/question/24029865

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