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