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