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