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