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