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Ecology terms

TermDefinition
Abiotic An environmental factor that is not associated with the activities of living organisms.
biogeochemical cycle
biotic An environmental factor that is associated with or results from the activities of living organisms.
carbon cycle The movement of carbon from the non-living environment into living things and back.
commensalism A relationship between two organisms in which one organism benefits and the other is unaffected.
competetion Ecological relationship in which two or more organisms depend on the same limited resources.
consumer An organism that eats other organism or organic matter.
decomposer An organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients.
ecology The study of interactions of living organisms with one another and their environment.
ecosystem A community of organism and their abiotic, or nonliving environment.
energy pyramid A triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain; each row in the pyramid represents a trophic feeding level in an ecosystem, and the area of a row represents the energy store
food chain The pathway of energy transfer through various stages as a result of the feeding patterns of a series of organism.
food web A diagram that shows the feeding relationship between organism in an ecosystem.
limiting factor An environmental factor that prevents an organism or population form reaching its full potential of size or activity.
mutualism A relationship between two species in which both species benefit.
parasite
parasitism A relationship between two species in which one species, the parasite, benefits form the other species, the host, which is harmed.
predation The act of an organism killing and eating all or part of another organism to survive.
predator An organism killing and eats all or part of another organism.
prey An organism that is killed and eaten by another organism
primary consumer
producer An organism that can make its own food by using energy form its surrounding.
secondary consumer
symbiosis
tertiary consumer
trophic level
water cycle
Created by: 4804078955
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