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