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