Arrange the human life stages into their natural chronological order. (i) Infant (ii) Old (iii) Adult (iv) Adolescent (v) Child

Introduction / Context:
We must sequence typical human developmental stages from birth to old age.

Given Data / Assumptions:

• Infant → Child → Adolescent → Adult → Old.
• Stages are broad and standard in school-level biology.

Concept / Approach:
Use chronological aging, not physical size or social roles.

Step-by-Step Solution:

Verification / Alternative check:
This matches standard textbooks on human development.

Why Other Options Are Wrong:
They either begin mid-life or invert the timeline (e.g., old before young).

Common Pitfalls:
Confusing adolescent with child or placing adult before adolescent.

Final Answer:
(i), (v), (iv), (iii), (ii)