4
Montane Forest
2
Hot and Dry! Desert
4
Tundra
2
Treeless Plains! Steppe
2
Warm Grasslands! Savanna
4
Deciduous Forest
4
Taiga
2
Water Everywhere! Aquatic
2
Four Seasons! Deciduous Forest
4
Tropical Rainforest
4
Ecosystems Level 4
4
Steppe
4
Savanna
2
Evergreen Forests! Taiga
4
Polar
2
Hot and Wet! Tropical Rainforest
4
Desert
2
Frozen Ground! Tundra
4
Aquatic
2
Snow and Ice! Polar