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(a) Give four characteristic of tropical savannah vegetation
(b) Explain how the following factors influence vegetation:
(i) Aspect
(ii) Human activities

Answer Text:
- It consist of a mixture of trees and grass
- In wetter areas the grass are tall and close to each other
- In drier areas the grass are shorter and tufted
- Grass dominate the vegetation
- Trees are shorter and more scattered
- Trees are umbrella shaped
- Acacia trees are a dominant species
- Some trees i.e. bamboo have thick barks
- River valleys have trees and thick bushes
- During drought grass withers/trees shed their leaves
b i) Areas on leeward slope of mountains have different vegetation from those on wind
ward slope because they received different amount of rainfall
ii) Settlement, farming and mining interferes with original vegetation leading to growth of
secondary vegetation and desertification