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