
Desert
Tropical Rainforest
Canopy
Emergent Layer
Understory
Temperate
Deciduous
Coniferous
Taiga
Grassland
Savanna
Steppe
Prairie
Mountain
Boreal
Alpine
Aquatic
Freshwater
Pond
Lake
River
Stream
Wetland
Bog
Swamp
Marsh
Saltwater
Estuary
Intertidal Zone
Rocky
Coral Reef
Pelagic Zone
Benthic Zone
Abyssal Zone
Polar
Tundra