The green algae evolution connection. B. Life on land, exposed to air and soil instead of water environment. All are sites of cell division in plants. Stem functions 2.
Stems consist of nodes and internodes.
Allows CO2 to enter and O2 and evaporated H2O to exit. The role of root hairs and the epidermis. Water moves to the xylem, up to the leaves and if not needed, evaporates from the leaf. Cohesion, Adhesion, and Hydrogen bonding all play a role in this process. D. Dissolved sugar transport 1.