Term
Definition
Abiotic
A non- living factor
Adaptation
an alteration in the structure of an organism that
results from natural selection and by which the
organism becomes better fitted to survive in its
environment.
Autotroph
Biosphere
Biotic factor
Carnivore
Climatic
Competition
Conservation
Consumer
Contest competition
Decomposers
Denitrification
Ecology
Ecosystem
Edaphic
Fauna
Food Chain
Food Pyramid
Food Web
Grazing Food Chain
Habitat
Herbivore
An organism capable of producing its own food
The part of the planet that contains living organisms
Living factor (organism’s influence on another
organism)
An animal that feeds on animals only
Factors relating to long term weather conditions
When two or more organisms fight or struggle for a
resource that is in short supply.
The wise management of the environment
An organism that cannot make its own food
An active physical confrontation between two
organisms in which only one wins the resource
Micro-organisms and other organisms that return
nutrients to the environment by decay.
The conversion of nitrates into atmospheric nitrogen
The study of the interaction between organisms and
their environment
A community of living organisms interacting with one
another and their environment.
Factors relating to the soil [which affects the
distribution of organisms in a (terrestrial) ecosystem]
Animals
Feeding relationship between organisms in which
energy is transferred.
Diagram showing the correct number of servings of
different foods to have a balanced diet
Two or more interconnected food chains or more than
one species at each trophic level
Feeding relationship between organisms in which
energy is transferred.
The place where an animal or a plant lives
An animal that only eats plants
Heterotroph
Interdependence
Niche
Nitrification
Nitrogen fixing
Omnivore
Parasitism
Pollution
Population
Producer
Pyramid of Numbers
Scramble competition
Tertiary Consumer
Trophic Level
An animal that obtains food from other organisms
The functional role of an organism (in an ecosystem)
The process of converting ammonia into nitrites
and/or nitrites to nitrates
The conversion of nitrogen into nitrates.
An animal that eats both animals and plants.
A situation in which one organism lives on or in a
second species, feeding on it and causing it harm.
The harmful addition to the environment (by humans)
The numbers of a particular species [in a particular
area or ecosystem]
An organism which makes its own food
The numbers of organisms at each trophic level.
A confrontation which results in each organism getting
some of the resource
An organism which feeds on the secondary producer.
The position of an organism in a food chain or feeding
level
Term
Abiotic
Adaptation
Autotroph
Biosphere
Biotic factor
Carnivore
Climatic
Competition
Conservation
Consumer
Contest competition
Decomposers
Denitrification
Ecology
Ecosystem
Edaphic
Fauna
Food Chain
Definition
Food Pyramid
Food Web
Grazing Food Chain
Habitat
Herbivore
Heterotroph
Interdependence
Niche
Nitrification
Nitrogen fixing
Omnivore
Parasitism
Pollution
Population
Producer
Pyramid of Numbers
Scramble competition
Tertiary Consumer
Trophic Level
Term
Definition
A non- living factor
an alteration in the structure of an organism that
results from natural selection and by which the
organism becomes better fitted to survive in its
environment.
An organism capable of producing its own food
The part of the planet that contains living organisms
Living factor (organism’s influence on another
organism)
An animal that feeds on animals only
Factors relating to long term weather conditions
When two or more organisms fight or struggle for a
resource that is in short supply.
The wise management of the environment
An organism that cannot make its own food
An active physical confrontation between two
organisms in which only one wins the resource
Micro-organisms and other organisms that return
nutrients to the environment by decay.
The conversion of nitrates into atmospheric nitrogen
The study of the interaction between organisms and
their environment
A community of living organisms interacting with one
another and their environment.
Factors relating to the soil [which affects the
distribution of organisms in a (terrestrial) ecosystem]
Animals
Feeding relationship between organisms in which
energy is transferred.
Diagram showing the correct number of servings of
different foods to have a balanced diet
Two or more interconnected food chains or more than
one species at each trophic level
Feeding relationship between organisms in which
energy is transferred.
The place where an animal or a plant lives
An animal that only eats plants
An animal that obtains food from other organisms
The functional role of an organism (in an ecosystem)
The process of converting ammonia into nitrites
and/or nitrites to nitrates
The conversion of nitrogen into nitrates.
An animal that eats both animals and plants.
A situation in which one organism lives on or in a
second species, feeding on it and causing it harm.
The harmful addition to the environment (by humans)
The numbers of a particular species [in a particular
area or ecosystem]
An organism which makes its own food
The numbers of organisms at each trophic level.
A confrontation which results in each organism getting
some of the resource
An organism which feeds on the secondary producer.
The position of an organism in a food chain or feeding
level