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