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