trees drop their leaves as a way of keeping moisture in therefore to keep from drying out.this only happens to deciduous trees, it does not happen to evergreen trees though, their leaves stay on all year long keeps though dropping their leaves and instantly re-growing them in spring.
They decompose
They fall off.
Leaves fall from the trees in the autumn season. This is typically triggered by shorter days and cooler temperatures that cause trees to stop producing chlorophyll, leading to the colorful display of leaves changing and ultimately falling off.
Tree leaves do not typically fall off in the spring. In spring, trees typically produce new leaves as part of the growth cycle. The shedding of leaves usually occurs in the fall as the trees prepare for winter.
Evergreen trees lose only a few old leaves at a time.
No, they are the only known tree for keeping their leaves when fall comes around.
because its cold and they freese and fall off
Gravity, wind, birds, squirrels
Leaves fall from trees in the autumn because the tree stops producing chlorophyll, which gives leaves their green color. As the days get shorter and temperatures drop, the tree seals off the connection between the leaf and the branch, causing the leaf to eventually fall off.
All trees are perennial. Deciduous trees drop their leaves in the Autumn. Evergreens do not drop them at any specific time of year.
Maple leaves turn a beautiful red color and do fall off the tree.
I believe all maples lose their leaves in the fall but certain oak trees keep their leaves all year. The "live oak" is named such because it keeps its leaves through the winter.