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The harmful addition to the environment (by humans) Pollution
A non- living factor Abiotic Factor
Part(s) of the planet[Earth] that supports life Biosphere
Living (organism’s influence on another organism) Biotic Factor
An animal that feeds on animals only Carnivore
Factors relating to long term weather conditions [which affects the distribution of organisms in an ecosystem] Climatic Factor
The wise management of the environment or organisms Conservation
The decaying of a dead organism Decomposition
The conversion of nitrates into atmospheric nitrogen Denitrification
Study of the interaction between organisms themselves and their environment Ecology
Organisms and their (interactions with) environment Ecosystem
Factors relating to the soil Edaphic Factor
Interconnected food chains Food Web
Feeding relationship between organisms in which energy is transferred Grazing Food Chain
(Place) where a species (or an organism) lives Habitat
An animal that feeds on plants only. Herbivore
The functional role of an organism Niche
The process of converting ammonia into nitrites and/or nitrites to nitrates Nitrification
The conversion of nitrogen into nitrates Nitrogen fixing
An animal that eats both animals and plants Omnivore
An organism which feeds on the primary producer. Primary Consumer
An organism which makes its own food Producer
The amount of organisms at each trophic level. Pyramid of Numbers
[A survey which] indicates if a species is present or not Qualitative[ survey]
[A survey which] records or estimates the numbers of a species (in a particular ecosystem). Quantitative [survey]
An organism which feeds on the primary consumer. Secondary Consumer
An organism which feeds on the secondary consumer.. Tertiary Consumer
The position of an organism in a food chain Trophic Level