Transport Systems in Organisms

Secondary 1/2 Level Preferred terms In Osmosis: we prefer the term “water potential” to “water concentration”. For xylem and phloem: we prefer the term vessel than tube. i.e xylem vessel. Active transport, osmosis and diffusion Diffusion Osmosis Active transport Down a concentration gradient ✓ ✓ ✗ Against a concentration gradient ✗ ✗ ✓ Energy needed … Read more Transport Systems in Organisms

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