Phloem is a food source for some animals. How can you justify this statement? (AS1)

Question

Philoid · Accepted Answer

a. The food (carbohydrates) in the plants is synthesized in the leaves.

b. The synthesized food is needed by each and every parts of the plants.

c. Phloem, a conducting tissue which conducts food from leaves to other parts of a plant.

d. To transport food by the phloem has been done by an experiment, by removing a ring of bark from the shoot to expose the wood.

e. Remove all tissues from the center outwards including the phloem.

f. So, any damage to the phloem all around the stem will prevent food from passing down to the roots and the tree will eventually die.

g. Certain mammals scratch the bark of trees to get at the food stored in the phloem, especially during hard winters when food is scarce.