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