The savanna gets a fair amount of rain, at least 20 inches a year.
They eat different foods
Their territories don't overlap
They all migrate in different directions
They avoid each other as much as possible
Different temperatures
Rain shadows
Midlatitudes
Bajadas
Spring and summer
Winter and summer
Dry and wet
Winter and fall
Tundra
Grassland
Temperate forest
Desert
A combination of the above defenses
They have thorns
Ants protect them
They have toxic chemicals
Growing quickly
Developing fire-resistant cover
Having deep roots
All of the above
Australia
North America
Asia
Antarctica