The phloem is responsible for the transportation of food substances or metabolic materials or products, from the point of manufacture , which is the leaves, to all parts of the plant. It also transports mRNA and proteins.
It consists or comprises of different cells which include, fibers, sieve element, sclereids and parenchyma cells.
Binocular disparity is the slight difference between the points of view provided by both eyes. This difference in image location is what our brain uses to perceive depth from two-dimensional images provided by each eye.
