Discuss seed dispersion due to external factors. (5 marks)

Seed dispersal is the movement of seeds away from the parent plant.​ There are some external factors that help in seed dispersion like air, water and animals.(2 marks)

• Air: Light-weighted seeds are dispersed by wind. (1 mark)
• Water: Seeds float on water and get dispersed. (1 mark)
• Animal: Seeds get stuck to animal fur and get dispersed. (1 mark)