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Biology Quiz
Ecology Vocabulary
Term | Definition |
---|---|
Ecology | study of relationships among organisms and their environments |
Ecosystem | level of organization that includes all community members and abiotic factors surrounding the community |
Biome | level of organization that includes multiple ecosystems with similar characteristics but different locations on the planet |
Biosphere | level of organization that includes all biotic and abiotic factors of the planet |
Community | level of organization that includes multiple populations of a different species that live together |
Population | level of organization that includes multiple individuals of the same species that live together |
Organism | level of organization that includes only one member of a species or population |
Abiotic | term used to describe non-living things |
Biotic | term used to describe all living things |
Habitat | an organism's physical environment that includes all of its abiotic and biotic resources |
Consumer/Heterotroph | an organism that takes in/consumes other organisms for energy |
Producer/Autotroph | an organism that makes its own food |
Herbivore | an organism that consumes plants |
Omnivore | an organism that consumes plants and animals |
Carnivore | an organism that consumes animals |
Niche | the role an organism plays in the environment it lives in |
Decomposer | an organism that breaks down dead and decaying organisms for energy |
Predator | organism that hunts or kills another for food |
Prey | organism that is killed or consumed as food |
Predation | relationship in which one organism kills or hunts for food |
Competition | relationship that exists between two or more organisms that are fighting for the same limited resource |
Commensalism | relationship in which one organism benefits and the other is unaffected |
Mutualism | relationship in which both organisms benefit |
Parasitism | relationship in which one organism benefits and other is harmed |
Symbiosis | any interaction involving a close, physical, long-term relationship between two species |