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