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