Ecology definitions

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ecosystem
all the interacting biotic and abiotic features in a specific area. They are more or less self contained functional units.
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environment
All the factors which affect an organism in its habitat; these may either be biotic, abiotic or weather conditions.
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Population
A group of interbreeding organisms of one species in a habitat at one time.
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Community
All the populations of different organisms living and interacting in a particular place at the same time.
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Habitat
A place where a community of organisms live.
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Species
A group of potentially interbreeding individuals which do not normally interbreed with other groups/species to produce viable, fertile offspring.
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Abiotic factors
Non-living parts of the environment. E.g Temperature, light, pH, water and humidity.
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Biotic factors
Living parts of the environment. E.g. Disease, competition and predation.
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Producer
The first organism in a food chain; an autotroph. (i.e it is capable of producing/manufacturing organic molecules normally through photosynthesis.)
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Primary Consumer
The second organism in a food chain. The organism obtains energy from the producer, this is a herbivore.
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Secondary Consumer
The organism obtains energy from the primary consumer, this is a carnivore.
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Niche
The role of an organism within an ecosystem. No two species occupy the same niche in the same habitat at the same time.
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Other cards in this set

Card 2

Front

All the factors which affect an organism in its habitat; these may either be biotic, abiotic or weather conditions.

Back

environment

Card 3

Front

A group of interbreeding organisms of one species in a habitat at one time.

Back

Preview of the back of card 3

Card 4

Front

All the populations of different organisms living and interacting in a particular place at the same time.

Back

Preview of the back of card 4

Card 5

Front

A place where a community of organisms live.

Back

Preview of the back of card 5
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