Condition of Growth , External Factor (Oxygen, Water & Carbon Dioxide) & Internal Factor (Hormones & Vitamins )

Condition of Growth
1. External Factor
a) Temperature
b) Light
c) Oxygen
d) Water
e) Carbon Dioxide
f) Nutrition
2. Internal Factor
a) Hormones
b) Vitamins
Growth And Development
Chapter No.19
Biology
Part 2