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