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