Will plant's growth be affected if .....

It is to hot?
water in Stomata on the leaves will evaporate and the leaves will dried up thus no photosynthesis will ocuur and no food will be produced thus the plant will wither and die.


It is to cold?
The plants will shed their leaves to reduce water loss. during winter, normally plants would store as much starch to survive the winter and as well grow back the leaves.