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