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