Part 2 Long-Distance Transport o 2.1 Overview of diffusive and convective transport in plants o 2. 1. 1 Diffusion and convection are the basis for solute transport o Diffusion: An independent movement of molecules driven by a concentration gradient Convective transport: Bulk flow of solution driven by a pressure gradientPart 2 Long-Distance Transport ⚫ 2.1 Overview of diffusive and convective transport in plants ⚫ 2.1.1 Diffusion and convection are the basis for solute transport. ⚫ Diffusion: An independent movement of molecules driven by a concentration gradient. ⚫ Convective transport: Bulk flow of solution driven by a pressure gradient