A1.1.1 - Water as the medium of life, A1.1.2 - Hydrogen bonds as a consequence of the polar covalent bonds within water molecules, A1.1.3 - Cohesion of water molecules due to hydrogen bonding and consequences for organisms...
7.1 The Transport Needs Of Plants, 7.2 Vascular System: Xylem And Phloem, 7.3 Structure If Stems, roots And Leaves And The Distribution Of Xylem And Phloem...