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