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