Ecosystems (Biomes)

Treeless arctic region in which the ground is permanently frozen.

• Tundra

• Taiga

• Temperate Forest

• Desert

found in high mountains; also describes the mountain vegetation zone between the tree line and the snow line

• Mountains

• Arctic

• Alpine

• Tundra

Naturally-occurring water that is not salty, as opposed to seawater. Freshwater examples include ponds, lakes, streams and underground aquifers.

• Marine

• Oceans

• Wetlands

• Freshwater

Biome in which the winters are cold but summers are mild enough to allow the ground to thaw

• Taiga

• Tundra

• Arctic

• Estuaries

A scrubland biome of dense, spiny evergreen shrubs found at mid latitudes along coasts where cold ocean currents circulate offshore; characterized by mild, rainy winters and long, hot, dry summers.

• temperate grassland

• desert

• savanna

• chaparral

The most diverse marine biome on Earth, found in warm, shallow waters beyond the shoreline.

• Coral Reef

• Marine

• Lakes

• Oceans

An area of grassland with scattered trees and bushes

• Rain forest

• Savanna

• Temperate grassland

• Estuaries

forest in a temperate region, characterized by trees that drop their leaves annually

• Temperate forest

• Temperate grassland

• Taiga

• Alpine

an area with a lot of vegetation and year-round rainfall, found near equator.

• rainforest

• temperate forest

• boreal forest

• taiga forest

wetlands formed where rivers meet the sea

• estuaries

• wetlands

• brackish water

• taiga