• Code: B.4.10.CB.9
  • Spefication Reference: 4.1.3.1
  • Keywords: Diffusion, concentration gradient
  • Objectives: To state what is meant by diffusion. To describe factors which effect the rate of diffusion. To identify substances which diffuse into and out of cells. To discuss how multicellular organisms increase the surface area of their cells (villi).
  • Competency: To state what is meant by diffusion
  • Proficiency: To explain why substances move
  • Mastery: To explain why adaptations of cells improves the rate of diffusion

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