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