Explain the process of diffusion.

Explanation should include

• the movement of a substance from an area of high to low concentration
• passive diffusion
• facilitated diffusion
• active transport
• passive transport.

Process/Skill Questions:

• How does diffusion take place in plants?
• Why is diffusion important in plants?
• What role does diffusion play in photosynthesis?
• What is the difference between active transport and facilitated diffusion?
• What is the difference between passive diffusion and passive transport?