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8th Science U9

DefinitionTerm
A community of organisms and their abiotic, or nonliving, environment. ecosystem
A group of organisms of the same species that live in a specific geographical area. population
An organism that eats other organisms or organic matter. consumer
A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed. parasitism
The study of the interactions of living organisms with one another and with their environment. ecology
All of the population of species that live in the same habitat and interact with each other. community
An organism that kills and eats all or part of another organism. predator
An environmental factor that is not associated with the activities of living organisms. abiotic factor
An organism tha can make its own food by using energy from its surroundings. producer
An organism that is killed and eaten by another organism. prey
An environmental factor that is associated with or results from the activates of living organisms. biotic factor
An organism that gets energy by breaking down the remains of dead organisms or animals wastes and consuming or absorbing the nutrients. decomposer
A diagram that shows the feeding relationships between organisms in an ecosystem. food web
A simple model showing the energy flow from one organism to another. food chain
A relationship between two species on which one species, the parasite, benefits from the other species, the host, which is harmed. parasitism
A relationship that is positive for both organisms. mutualism
A relationship that is positive for one organism and has no effect on the other. commensalism
A large region characterized by a specific type of climate and certain types of plant and animal communities. biome
A ecosystem on land. terrestrial
Saltwater ecosystems. marine
An area where fresh water mixes with salt water from the ocean. estuary
An area of land that is periodically underwater or whose soil contains a great deal of moisture. wetland
Created by: ashaver
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