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Temperate Grassland

Biome characterized by a rich mix of grasses with extremely fertile soils. Summers are warm to hot and moist, winters are cold. Dominant plants are perennial grasses and herbs.

Temperate Forest

Biome contains a mixture of coniferous and deciduous trees. Cold to moderate winters, warm summers, with year round rainfall and fertile soil.

Tropical Dry Forest

BIome has seasonal rainfall and deciduous trees that shed their leaves during the dry season. Generally warm year round and alternating wet and dry seasons. Tall deciduous trees form a canopy in the wet seasosn.

Flowing Water Ecosystem

Rivers, streams, and creeks

Boreal Forest

Sometimes called taiga. Consists of dense evergreen forests of coniferous trees. Winters are bitterly cold, but summers are mild and the ground thaws.

Temperate Woodland or Shrubland

Biome characterized by hot, dry summers and cool, moist winters. Woody evergreen shrubs and fragrant oily hers that grow during the winter and die during the summer. The oil in the low plant herbs contribute to periodic fires

Tropical Savanna

Biome recieves more seasonal rainfall than deserts but less than a tropical dry forest. The main characteristic for this biome is the covering of grasses. Isolated trees and small groves of trees and shrubs with warm temperatures.


Characterized by permafrost. During the short sumemr the ground thaws to a depth of a fw centimeters and will freeze again in the winter. The plant life consists of ground hugging plants such as mosses, lichens, sedged, and short grasses.

Tropical Rain Forest

Biome is home to more species than any other biome. The biome is hot and wet year round with thin, nutrient poor soil. Broad leaved evergreen trees, ferns, and vines form a dense canopy covering. A second layer of shorter trees and vines form an understory


Freshwater wetland that forms in depressions where water collects and are dominated by sphagnum moss

Photic zone

IN marine ecosystem the layer that light penetrates

Northwestern Coniferous Forest

Biome has mild, moist area from the Pacific Ocean which provides abundant rainfall. Conifers including giant redwoods, Douglas fir, spruce, and hemlocks are found along with flowering trees and shrubs sometimes call temperate rain forest


ecosystem in which water either covers the soil or is present at or near the surface of the soil


Freshwater wetland that is shallow and forms along rivers


Wetland formed where freshwater meets salt water

Aphotic zone

In marine ecosystem the layer that is permanently dark

Intertidal zone

Organisms are exposed to regular and extreme changes in their environment. once or twice a day they are submerged in sea water


Biome defined as having annual precipitation of less than 25 cm. Organismsin this biome can tolerate extreme conditions. soils are rich in minerals but very poor in organic material. DOminant plant life incude cacti and other succulents

Mangrove Swamps

Coastal wetlands of salt tolerant trees called mangroves, seagrases at the low tide line and are nurseries for fish

Open Ocean

Begins at continental shelf and extends outward


Freshwater wetland that is wet year round

Salt Marsh

temperate zone estuary dominated by solt tolerant grasses above the low tide line and by seagrasses underwater

benthic zone

ocean floor

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