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Ecosystem Interactio
LS 6. Ecosystem Interactions
| Term | Definition |
|---|---|
| predator | consumers that capture and eat other consumers |
| prey | organism that is captured by the predator |
| society | a group of animals of the same species that live and work together in an organized way, with each member doing a specific job |
| symbiosis | any close relationship between species, including mutualism, commensalism, and parasitism |
| territory | any area defended by an organism or a group of organisms for purposes such as mating, nesting, roosting, or feeding |
| producer | organism, such as a green plant or alga, that uses an outside source of energy like the Sun to create energy-rich food molecules |
| social hierarchy/behavior | interactions among members of the same species, including courtship and mating, getting food, caring for young, and protecting each other |
| consumer | organism that cannot create energy-rich molecules but obtains its food by eating other organisms |
| cooperation | individual organisms working together to improve survival |
| decomposer | organisms that break down dead or decaying organisms |
| parasitism | a type of symbiotic relationship in which one organism benefits and the other is harmed |
| population | all the organisms that belong to the same species living in a community |
| community | all the populations of different species that live in an ecosystem |
| competition | an interaction between organisms or species in which both the organisms or species are harmed. Limited supply of at least one resource (food, water, and territory) used by both can be a factor. |
| mutualism | a type of symbiotic relationship in which both organisms benefit |
| niche | refers to the unique ways an organism survives, obtains food and shelter, and avoids danger |
| ecology | The study of interactions between organisms and their environment |
| limiting factor | anything that can restrict the size of a population, including living and nonliving features of an ecosystem, such as predators or drought |
| carrying capacity | Largest number of individuals of a population that a environment can support over time |
| commensalism | type of symbiotic relationship in which one organism benefits and the other is not affected |
| detritivore/scavenger | organisms that eat only dead matter |
Created by:
mroble
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