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