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