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