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