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