The fact that children in different cultures ____ in the age at which basic motor skills appear demonstrates that ____.
A) vary somewhat; genetic factors can slow or accelerate early motor development
B) vary somewhat; environmental factors can slow or accelerate early motor development
C) do not vary; genetic factors alone determine early motor development
D) do not vary; environmental factors alone determine early motor development

Question

Quizplus · Accepted Answer

The fact that children in different cultures vary somewhat in the age at which basic motor skills appear suggests that environmental factors can play a role in early motor development, in addition to genetic factors.

The Fact That Children in Different Cultures ____ in the Age