Ecology Vocabulary
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each of the black spaces below before clicking
on it to display the answer.
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| abiotic | nonliving, not from a living organism
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| biogeochemical cycle | the movement of atoms and molecules from living organisms and the physical environment
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| biotic | a living organism or produced by a living organism.
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| carbon cycle | the movement of carbon from the nonliving environment into living things and back.
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| commensalism | a relationship between two organisms in which one organism benefits and the other is unaffected.
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| competition | ecological relationship in which two or more organisms depend on the same limited resource.
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| consumer | a organism that eats other organisms or organic matter.
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| decomposer | an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients.
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| ecology | the study of the interactions of living organisms with one another and with their environment.
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| ecosystem | a community of organisms and their abiotic, or nonliving, environment.
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| energy pyramid | a triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain.
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| food chain | the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms.
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| food web | a diagram that shows the feeding relationships between organisms in an ecosystem.
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| limiting factor | an environmental factor that prevents an organism or population from reaching its full potential of size or activity.
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| mutualism | a relationship between two species in which both species benefit.
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| parasite | an organism that benefits from another species, the host, which is harmed.
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| parasitism | a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed.
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| predation | when a predator feeds on prey
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| predator | an organism that kills and eats all or part of another organism.
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| prey | an organism that is killed and eaten by another organism.
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| primary consumer | an animal that feeds on plants; a herbivore Any organism that consumes or feeds on autotrophs or decaying matter.
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| producer | an organism that can make its own food by using energy from its surroundings.
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| secondary consumer | a carnivore that feeds only on herbivores An organism that largely feeds on primary consumers
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| symbiosis | a relationship in which two different organisms live in close association with each other.
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| tertiary consumer | An organism that largely feeds on secondary and primary consumers.
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| trophic level | position in the food chain
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| water cycle | the natural sequence through which water passes into the atmosphere as water vapor, precipitates to earth in liquid or solid form, and ultimately returns to the atmosphere through evaporation.
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Created by:
christina.guitard
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