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