Deciduous trees, such as maple and elm trees, regularly drop their leaves in a response to a change in the environment.
What event causes deciduous trees to do this?
A.
long-term changes in climate
B.
daily changes in air pressure
C.
seasonal changes in the amount of daylight
D.
monthly changes in amount of precipitation
The correct answer would be C.seasonal changes in the amount of daylight. Since leaves require sunlight in order to perform photosynthesis to keep the tree alive, when seasonal changes occur where there is not enough sunlight throughout the day, trees go dormant for the season until conditions are right.Â
