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WHATCG? L3-7

Where Have All The Creatures Gone? Lessons 3-7

TermDefinition
Food Chain A series of events in an ecosystem in which organisms transfer energy by eating and by being eaten.
Food Web The pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem.
Ecosystem The community of organisms that live in an area, along with their nonliving environment.
Invasive Species Any non-native species that disturbs the ecosystems in which it has been introduced and may harm other living things and the environment.
Native Species Plants and animals that originated and live in an area without any human intervention.
Biotic Factor A living part of an organism's habitat.
Abiotic Factor A nonliving part of an organism's habitat.
Predator The organism that does the killing in a predation interaction
Prey An organism that is killed and eaten by another organism in a predation interaction
Consumer An organism that obtains energy by feeding on other organisms.
Producer An organism that can make its own food.
Indirect Interaction The transfer of energy from one organism to another but transmitted by a third organism
Direct Interaction The transfer of energy from one organism to another organism.
Competition When two or more organisms fight for resources (food, space, shelter, mate).
Energy Flow The movement or transfer of energy from one trophic level to another in an ecosystem.
Parasitism A type of symbiosis in which one organism lives with, on, or in a host and harms it.
Host The thing that the parasite lives in or on and harms it.
Symbiosis Any type of a close and long-term biological interaction between two different biological organisms
Commensalism (+/0) A type of symbiosis between two species in which one species benefits and the other species is neither helped nor harmed.
Mutualism (+/+) A type of symbiosis in which both species benefit from living together.
Created by: user-1929490
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