OBJECTIVE FORESTRY

Detailed explanation-1: -Trees that have lost all their leaves for part of the year are known as deciduous trees. Those are not called evergreen trees. Common deciduous trees in the Northern Hemisphere include ash, aspen, beech, birch, cherry, elm, hickory, hornbeam, maple, oak, poplar, and many species of willow.

Detailed explanation-2: -Maple, oak, and elm are examples of deciduous forests.

Detailed explanation-3: -Deciduous trees, such as ash, beech, elm, aspen, cherry, oak, maple, willow, poplar, and birch trees, shed their leaves each Fall to prepare for the Winter. Evergreen trees are different and keep their green foliage year-round.

Detailed explanation-4: -Winter temperatures cause the production of auxin to slow down and this breaks the abscission layer, causing the leaves to detach from the trees. Losing leaves helps the tree to retain water during in the winter and means that it needs less energy to stay alive.