AP BIOLOGY

Detailed explanation-1: -Deciduous trees shed their leaves to survive. Once the winter has passed, the soil loses most of its moisture content. Since there is a derth off water, the tree must conserve all the water it needs to survive. It does so by shedding leaves which utilise water for photosynthesis.

Detailed explanation-2: -The trees shed their leaves during very dry months. Water evaporates through the leaves and so, trees try to conserve moisture by getting rid of the leaves during the dry months.

Detailed explanation-3: -Autumn is also called fall season and the trees shed their leaves during the autumn. The trees shed their leaves and flowers inorder to survive the upcoming harsh cold winters. Q.

Detailed explanation-4: -The leaves of the deciduous trees have a tendency to lose water. But during the dry season, water is scarce. Hence, deciduous trees shed their leaves to prevent water loss.

Detailed explanation-5: -This process of shedding of leaves is called abscission. Apart from physiological changes, what anatomical mechanism is involved in the abscission of leaves.