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