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Ecology
Definitions for the chapter
| Term | Definition |
|---|---|
| Symbiosis | Close relationship between different species in which at least one benefits |
| Pollution | The harmful human addition to the environment by humans |
| Pollutant | A substance that causes harm to the environment |
| Competition | Struggle between organisms for the same limited resource |
| Contest competition | An active physical confrontation between two organisms in which only one wins the resource |
| Scramble competition | A confrontation which results in each organism getting some of the resource |
| Predation | The act of killing and eating another animal/organism for food |
| Predator | An animal or organism that catches, kills and eats an another animal for food |
| Abiotic | A non-living factor that influences a community |
| Biosphere | Part of earth that supports life |
| Biotic factor | A living factor's influence on another organism |
| Carnivore | An animal that feeds on animals only |
| Climatic factors | Factors relating to long term weather conditions which affects the distribution of organisms in an ecosystem |
| Conservation | The protection and wise management of the environment or organisms |
| Decomposition | The decaying of a dead organism |
| Denitrifying | The conversion of nitrates into atmospheric nitrogen |
| Ecology | Study of living organisms and the interaction between each other and their abiotic environment |
| Ecosystem | Community of organisms and their interactions with their environment |
| Edaphic factor | Factors relating to the soil |
| Food web | Interconnected food chains |
| Grazing Food Chain | Feeding relationship between organism in which energy is transferred |
| Habitat | Place where a species lives |
| Herbivore | An animal that feeds on plants only |
| Niche | The functional role of an organism in an ecosystem |
| Nitrification | The process of converting ammonia into nitrates |
| Nitrogen fixing | The conversion of nitrogen into nitrates |
| Omnivore | An animal that eats both animals and plants |
| Population | A group of individuals of the same species |
| Prey | An animal hunted and killed by a predator |
| Primary consumer | An organism which feeds on the primary producer |
| Producer | An organism which makes its own food |
| Pyramid of numbers | The approx. amount of organisms at each trophic level in a food chain |
| Qualitative | A survey which indicates if a species is present or not |
| Quantitative | A survey which records or estimates the numbers of species in a particular ecosystem |
| Secondary consumer | An organism which feeds on the primary consumer |
| Tertiary consumer | An organism which feeds on the secondary consumer |
| Trophic level | The position of an organism in a food chain |
| Community | A number of different species interacting with each other in an ecosystem |
| Nutrient recycling | The way elements are exchanged between living and non-living components of the ecosystem |
| Waste management | Collecting, processing and disposal of waste produced by humans |
| Parasitism | Symbiotic relationship where one organism benefits and the other, the host, is harmed |
| Commensalism | Symbiotic relationship where one organism benefits and the other is not affected |
| Mutualism | Symbiotic relationship where both organisms benefit |
| Endoparasite | Parasite that feeds inside the host |
| Ectoparasite | Parasite that feeds on the outside of the host |
Created by:
hsullivan
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