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Unit 6 diversity

Diversity of ecosystems

TermDefinition
Ecosystem The relationship among all of the living and non living elements in an environment.
Biomass The total weight of all organisms in each tropic level of food chains.
Biome A large geographic area of distinctive plant and animal groups, which are adapted to that particular environment.
Succession A process of ecological change in which a series of natural communities are established and then replaced over time.
Pioneer species The first organisms to occupy a new area.
Adaptation Modification of an organism or its parts that aids in survival.
Symbiosis Two organisms living together and one or both benefits from the relationship.
Mutualism Type of symbiotic relationship in which both organisms benefit.
Commensalism Type of symbiotic relationship in which one organism benefits and the other is unaffected.
Parasitism Type of symbiotic relationship in which one organism is harmed by the other.
Camouflage Concealment by means of disguise.
Extinction The loss of an entire species.
Endangered species A species threatened with extinction due to decline in population.
Climax community A stable ecosystem containing mature vegetation and marks the final stage of ecological succession.
Primary succession Growth of organisms in an area that is new and previously.empty of life.
Secondary succession Re growth of organisms in an area that has been disturbed or destroyed.
Created by: davisjer
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