Plants Vascular System & Leaves Chapter 21.2 & 21.4

Vascular System Xylem- transports water and dissolved minerals from the roots to the rest of the plant. Moves by capillary action by the physical properties of adhesion and cohesion. Phloem- moves the products of photosynthesis from the leaves to the roots and stems Moves from the sugars source to the sugars sink, this region shifts seasonally

Why are leaves important? Site of photosynthesis, creates oxygen Food supply for herbivores, omnivores, and detrivores Medicinal properties Differences within structure used to identify various species

Leaves are described by veination Monocot Dicot

Leaves are described by arrangement Alternate Opposite Whorled

Leaves are described by complexity