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