1. 1. 2. 3.

2. Desert Ecosystem Concept Map
Cacti
Acacia Tree
Aloe Plant
Shallow roots
Tap roots
Succulent
Spines
Thin soil
45°C + during the day
Less than 250 mm of rain
Soil infertile
Aquifer (underground water stores)
12 hours of sun
0°C during the night
Fennec Fox
Camel
Snake
Hadley Cell
Sahara Desert
15 and 35° north and south of the equator
Low population density
Inaccessible
Politically unstable
Lack of fresh water
Poor infrastructure
Mineral resources e.g. phosphate
Solar Energy
Tourism
Farming
Energy resources e.g. oil

3. Make links between key terms
Succulents
Cactus
Less than 250 mm of rain
Low population density
Shallow roots
Lack of fresh water
Poor infrastructure

4. Low population density
Explain the links
Succulent
is a
As rainfall is unreliable
And it needs to store water
For when there is drought
as there is
As there are
few people governments do
not invest in the
area leading to a
Cactus
Less than 250 mm of rain
Low population density
means there is a
has
leading to
Shallow roots
To absorb as much water from the surface as possible as there is
Lack of fresh water
Poor infrastructure