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