organic material; often made by the breakdown of rock; material that provides minerals and nutrients for plants

occurs in areas where a community that previously existed has been removed by a disturbance (farming, fire, flood, etc); begins with soil; takes less time than primary succession

first organisms to appear in areas of primary succession are often mosses or lichens

series of events through which a stable ecosystem forms in a previously lifeless areas; begins with no soil as rock broken down and soil forms plant take root; this continues until area reaches climax community if not disturbed; takes a long time

final stage of succession, populations of plants or animals remain stable and exist in balance with each other and their environment until nature or humans cause a disturbance

non-living chemical and physical parts of the environment that affect living organisms; such as air, water, rocks, etc

the ability of a natural system to regulate itself so as to return to a steady state after an outside disturbance

a community of living organisms as well as all the nonliving parts of their environment, interacting as a system

distinct communities of organisms living in a large area; deserts, tundra, forests, grasslands, etc.

all the members of a species living in an area

also know as biological community; all the living species in an area

solid rock under surface materials

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8th gr Succession

Succession

Term	Definition
soil	organic material; often made by the breakdown of rock; material that provides minerals and nutrients for plants
secondary succession	occurs in areas where a community that previously existed has been removed by a disturbance (farming, fire, flood, etc); begins with soil; takes less time than primary succession
pioneer species	first organisms to appear in areas of primary succession are often mosses or lichens
primary succession	series of events through which a stable ecosystem forms in a previously lifeless areas; begins with no soil as rock broken down and soil forms plant take root; this continues until area reaches climax community if not disturbed; takes a long time
climax community	final stage of succession, populations of plants or animals remain stable and exist in balance with each other and their environment until nature or humans cause a disturbance
abiotic	non-living chemical and physical parts of the environment that affect living organisms; such as air, water, rocks, etc
biotic	life; living organisms
stability	the ability of a natural system to regulate itself so as to return to a steady state after an outside disturbance
ecosystem	a community of living organisms as well as all the nonliving parts of their environment, interacting as a system
biome	distinct communities of organisms living in a large area; deserts, tundra, forests, grasslands, etc.
population	all the members of a species living in an area
community	also know as biological community; all the living species in an area
bedrock	solid rock under surface materials

Created by: NEISDSci

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