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Book E, Ch.3

RMS Science 6

ecosystem community of living organisms interacting with each other and their physical environment (all the living and nonliving things in an environment)
succession natural, gradual changes in the types of species that live in an area; can be primary or secondary
biome large geographic areas with similar climates and ecosystems
climate the average weather conditions of an area over many years
pioneer species first organisms to grow in new or disturbed areas
climax community stable, end stage of ecological succession in which balance is in the absence of disturbance
coral reef diverse ecosystem formed from the calcium carbonate shells secreted by corals
estuary extremely fertile area where a river meets an ocean; contains a mixture of freshwater and saltwater and serves as a nursery for many species of fish
wetland a land region that is wet most or all of the year
intertidal zone part of the shoreline that is under water at high tide and exposed to the air at low tide
grassland temperate or tropical regions with 25 – 75 cm of precipitation each year that are dominated by climax communities of grasses; ideal for the raising of livestock
desert driest biome on Earth with less than 25 cm of rain each year; has dunes or thin soil with little organic matter, organism must survive extreme conditions
taiga/coniferous forest world’s largest biome, located south of the tundra between 50 – 60 o N latitude; has long, cold winters precipitation between 35 – 100 cm each year, cone-bearing evergreen trees, and dense forests
temperate deciduous forest biome usually having four distinct seasons, annual precipitation between 75 – 150 cm, and climax communities of deciduous trees
temperate rain forest biome with 200 -400 cm of precipitation each year, average temperatures between 9 – 12 C, and forests dominated trees with needle like leaves
tropical rain forest most biologically diverse biome; has an average temp of 25oC and receives between 200 -660 cm of precipitation each year
tundra cold, dry treeless biome with less than 25 cm of precipitation each year, a short growing season, permafrost and winters that can be 6-9 months long
aquatic growing or living in water
Created by: mrskarney