Biomes:

*Tundra

          Permafrost

*Taiga

*Grassland

*Temperate Deciduous Forest

          Deciduous

*Tropical Rain Forest

*Desert

          Allelopathy

          Rain Shadow Deserts

Aquatic Ecosystems:

Plankton

          Phytoplankton

          Zooplankton

Benthos

*Wetlands

          Marsh and Swamp

*Creeks and Rivers

*Ponds and Lakes

*Estuaries

          Salt Marsh

*Oceans

          El Nino