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