Diffusion, Active Transport and Osmosis

Question 1

Whats diffusion?

Answer 1

The net movement of particles from an area of higher concentration to an area of lower concentration.

Question 2

Whats osmosis?

Answer 2

The net movement of water molecules from an area of high water potential to an area of lower water potential across a partially permeable membrane.

Question 3

Whats active transport?

Answer 3

The net movement of particles from an area of low concentration to an area of high concentration . It requires energy.