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Land Biomes
Vocabulary
Aquatic Biomes
How ecosystems change
100

A biome where grasses are dominant?

grassland

100

A geographic area on Earth that contains ecosystems with similar biotic and abiotic features.

Biome

100

 An aquatic ecosystem that has a thin layer of water covering soil that is wet most of the time.

Wetland

100

 The first species that colonizes new or undisturbed land.

pioneer species

200

A biome that is cold, dry, and treeless

Tundra

200

A measure of the mass of dissolved salts in a mass of water.

Salinity

200

 A coastal area where freshwater from rivers and streams mixes with salt water from seas or oceans.

Estuary

200

 A stable community that no longer goes through major ecological changes.

Climax Community

300

A forest biome consisting mostly of cone-bearing evergreen trees.

Taiga

300

 The term describing any region of Earth between the tropics and the polar circles.

Temperate

300

 An underwater structure made from outside skeletons of tiny, soft-bodied animals.

Coral Reef

300

 The process of one ecological community gradually changing into another.

Ecological Succession

400

 A biome that receives very little rain.

Desert

400

 The process of a body of water becoming nutrient-rich.

Eutrophication

400

The ocean shore between the lowest low tide and the highest high tide.

Intertidal Zone

400

  Succession in new areas of land with little or no soil is _____________________ succession.  

Primary

500

  Forests that grow near the equator and receive large amounts of rain are ________________ rain forests.  

Tropical

500

The living and nonliving parts of an environment together make up a(n)

Ecosystem

500

a type of ecosystem with water that has high salinity

open ocean

500

  Succession in areas where existing ecosystems have been disturbed or destroyed is ____________________ succession.  

secondary