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 thorns
They have toxic chemicals
A combination of the above defenses
Ants protect them
Antarctica
North America
Asia
Australia
All of the above
Growing quickly
Developing fire-resistant cover
Having deep roots
Tundra
Desert
Grassland
Temperate forest
Winter and fall
Winter and summer
Dry and wet
Spring and summer
The savanna gets a fair amount of rain, at least 20 inches a year.