click below
click below
Normal Size Small Size show me how
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 |