Crop development — arrange plant stages to harvest Items: 1. Crop 2. Root 3. Stem 4. Seed 5. Flower

Introduction / Context:
Agronomic progression from sowing to harvested crop.

Step-by-Step Solution:
Seed (4) → Root (2) → Stem (3) → Flower (5) → Crop/harvest (1).

Why Other Options Are Wrong:
They start from roots without seeds or place harvest before flowering.

Final Answer:
4 2 3 5 1