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17 Cards in this Set
- Front
- Back
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Carbon Cycle |
The movement of carbon from the nonliving environment into living things and back. |
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Respiration |
The exchange of oxygen and carbon dioxide between living cells and their environment. |
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Nitrogen Cycle |
The cycling of nitrogen between organisms, soil, water, and the atmosphere. |
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Phosphorus Cycle |
The cyclic movement of phosphorus in different chemical forms from the environment to organisms and then back to the environment. |
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Population |
A group of organisms of the same species that live in a specific geographical area and interbreed. |
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Carrying Capacity |
The largest population that an environment can support at any given time. |
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Predation |
An interaction between two organisms in which one organism, the predator, kills and feeds on the other organism, the prey. |
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Coevolution |
The evolution of two or more species that is due to mutual influence. |
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Parasitism |
A relationship between two specie in which one species, the parasite, benefits from the other species, the host, which is harmed. |
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Symbiosis |
A relationship in which two different organisms live in close association with each other. |
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Mutualism |
A relationship between two species in which both species benefit. |
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Commenalism |
A relationship between two organisms in which one organism benefits and the other is unaffected. |
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Niche |
The unique position occupied by a species, both in term of its physical use of its habitat and its function within an ecological community. |
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Fundamental Niche |
The largest ecological niche where an organism or species can live without competition. |
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Realized Niche |
The range of resources that a species uses, the conditions that the species can tolerate, and h functional roles that the species plays as a result of competition in the species' fundamental niche. |
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Competitive Exclusion |
The exclusion of one species by another due to competition |
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Keystone Species |
A species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community. |
