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