It is in relation to plant growth and development that the question What is climate? Is here reviewed.
According to Dr. Frits Went (Went and The Editors of Life, 1963), the climate is the most important environmental factor affecting plant growth and development.
However, any of the various elements that compose climate do not operate singly.
Variation in one of these climatic factors can have significant effects on the others and modify the various physiological processes in plants including photosynthesis, respiration, and transpiration (click here to read Climatic Factors Affecting Plant Growth and Development).