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