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