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LS ECOLOGY 3

Ecosystems

TermDefinition
Succession The normal, gradual changes that occur in the populations that inhabit an area.
Pioneer Species The first species to inhabit an area.
Climax Community A stage of growth containing a relatively stable, undisturbed population of plants.
Tundra Biome that is a cold, dry, treeless region containing permafrost.
Permafrost A permanently frozen layer of soil below topsoil
Taiga Biome dominated by cone-bearing evergreen trees. Usually between 50-60 degrees latitude.
Temperate Deciduous Forest Biome with four distinct seasons, and annual rainfall between 75 and 100 cm. A large range of temperatures is represented.
Temperate Rain Forest Biome with 2-4 meters of rainfall per year and a temperature range of 50-80 F. Vast stretches exist along the Pacific coastline of North America.
Tropical Rain Forest Biome with average rainfall up to 600 cm. Very warm and humid. Contains the greatest diversity of species.
Desert Biome characterized by the lowest amount of rainfall.
Grasslands Biome that receives between 25 and 75 cm of rainfall per year. Usually have a marked dry season, preventing the growth of forests.
Wetlands Biome that is wet for most or all of the year. Includes both fresh water and salt water forms.
Chaparral Biome with hot dry summers and cooler, moist winters. Dominated by low-lying bushes and shrubs.
Intertidal Zone The portion of the shoreline that is covered with water at high tide and exposed to air at low tide.
Estuary A region where fresh water and salt water meets, like the mouth of a river.
Biome A large, naturally occurring collection of flora and fauna occupying a major habitat
Ecosystem A large group of living organisms with the nonliving components of their environment, interacting as a system.
Population All of the individuals of the same species within a community
Community An interacting group of many species in a common location.
Biosphere The regions at or near the earth's surface occupied by living organisms.
Created by: MrGross
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