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