4
Ecosystems Level 4
2
Ecosystems
4
Steppe
4
Savanna
4
Desert
2
Warm Grasslands! Savanna
3
Lakes of the World
2
Hot and Wet! Tropical Rainforest
2
Frozen Ground! Tundra
2
Four Seasons! Deciduous Forest
4
Taiga
2
Evergreen Forests! Taiga
2
Hot and Dry! Desert
4
Tropical Rainforest
4
Aquatic
2
Treeless Plains! Steppe
4
Tundra
4
Montane Forest
2
Snow and Ice! Polar
2
Water Everywhere! Aquatic
4
Deciduous Forest