Concept:Development is a lifelong process influenced by heredity, environment, and individual factors, leading to different rates of change in each person.
Explanation:Development is continuous from conception to death and follows universal patterns but varies in pace.
Factors like nutrition, abilities, socio‑cultural context, and environment cause individual differences.
The rate of development is not the same for all; it can be faster or slower depending on these influences.
Development is not linear but spiral, and it interacts with heredity and environment.
Therefore, every individual’s developmental pace is unique.
Answer:Option C – occur at varying rates in individuals.