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Science 7 - Interactions & Ecosystems
Terms in this set (36)
The study of the relationships between organisms and their environment.
A person who studies the relationships between organisms and their environment.
When two species have a close relationship that lasts over time
A symbiotic relationship where both organisms benefit
A symbiotic relationship where one organisms benefit and the other neither benefits or is harmed
A symbiotic relationship where one organisms benefit and the other is harmed
An inherited characteristic that helps an organism to survive.
An organism that produces food for itself and others
An organism that consumers other organisms for energy
An organism that only consumes producers
An organism that only eats other consumers
An organism that eats both producers and consumers
An animal that hunts and eats other animals
An organism that is hunted and consumed by other animals.
An organism that breaks down dead organisms into nutrients that go back into the environment
A model that shows how energy passes from one organism to another
A complex model that shows many links between organisms, showing the movement of energy between them.
A pyramid that shows the decrease in biomass and useful energy as it moves through a food chain
the amount of matter or carbon found within the organisms in an ecosystem.
The death of all organisms in a species
When a species is at risk of dying out or becoming extinct
the amount of space, usually hectares required to supply all the energy and materials you use.
Being able to replenish all the resources you use so that you don't have a negative impact on the environment.
the use less materials in the environment
to make materials into new things, rather than throwing them into the trash.
to use a waste product for another purpose without recycling it.
the home of an animal, plant, or other organism in the environment.
The part of the Earth that contains the organisms and their physical environment.
the non-living parts of an organism's habitat.
living parts of an ecosystem or habitat
succession that occurs on surfaces where no soil exists
Succession following a disturbance that destroys a community without destroying the soil
the movement of carbon in the environment into living things, back to the environment and returning to living things.
The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation
Each step in a food chain or food web
An organism that eats secondary consumers
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