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17 Cards in this Set
- Front
- Back
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pertaining to the non-living components of an environment (eg light, temperature, nutrients)
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abiotic
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mass of organisms; stnading crop
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biomass
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pertaining to the organisms in an environment
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biotic
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interacting populations of different species that occur i the same habitat
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competition
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organisms that obtain their energy and nutrients by degrading organix matter
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decomposer
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a graphic representation of the trophic structure of an ecosystem in which numbers or biomass are represented in a pyramis, with the producer level forming the base and successive levels of consumers above it
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ecological pyramids
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the organisms and non-living componenets of the physical environment at a particular site
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ecosystem
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a graphic representation of the interconnected feeding relationships among organisms in a community
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food web
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the physical space occupied by an organism
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habitat
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the ecological role of a species in an environment (characterized by both biotic and abiotic elements)
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niche
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an interaction between organisms in which one organism (prey) is consumed by the other (predator)
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predation
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an organism that is killed for food by another organism
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prey
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organisms that feed on producers; herbivores
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primary consumer
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autotrophs- primarily photosynthetic organisms that synthesize organisc substances from inorganic materials
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producer
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organisms thta eat other consumers; carnivores
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secondary consumer
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position in the food chain
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trophic level
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the organization of a community based on the feeding relationships of the component population
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tropic structure
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