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