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