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