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