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