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17 Cards in this Set
- Front
- Back
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abiotic
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not living or not related to life; the abiotic parts of an ecosystem are not alive and never were alive.
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biodiversity
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variety and number of living things within a particular ecosystem.
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biotic
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of life or related to life; the biotic parts of an ecosystem are living, were once living, or came from living things.
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community
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all different organisms that live together in an area.
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confier tree
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a tree that produces seeds in cones
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deciduous tree
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a tree that loses it leaves in winter
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ecosystem
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a community of living and nonliving things that interact in a particular area or environment.
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food chain
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a single network of feeding relationships between organisms within an ecosystem.
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food web
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the pattern of overlapping food chains in an ecosystem.
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nocturnal
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active during the night
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permafrost
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a permanently frozen layer of soil found in the tundra, which remains below 0*C for two or more years.
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sustainability
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the maintenance of ecological processes over long periods of time.
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climax community
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a stable community of plants and animals, and is the final stage of ecological succession.
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ecological succession
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the gradual change of plant and animal life in an ecosystem over time.
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pioneer species
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the first species that colonize an area. These species thrive when there is little or no competition.
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primary succession
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the development of an ecosystem in an area that was not supported by an ecosystem before, such as on bare rock or sandy soil.
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secondary succession
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the development of an ecosystem in an area that already has soil and once was home to living things, but was destroyed by environmental changes, such as fires, floods, clear-cutting, or landslides.
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