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