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13 Cards in this Set
- Front
- Back
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Population |
The total number of all the organisms of the same species or the same group of species that live in a particular geographical area |
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Community |
A group of two or more populations of different species that live at the same time in the same geographical area |
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Competition |
The contest between organisms for resources such as food and shelter |
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Interdependence |
All the organisms in a community depend upon each other and because of this, changes to them or their environment can cause unforeseen damage |
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What makes a stable community |
Lots of interdependence All species are in balance |
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Abiotic Factors |
The non living parts of the environment |
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Important abiotic factors |
Light intensity Water pH of soil Mineral content in soil Wind intensity and direction Level of carbon dioxide Dissolved oxygen levels in water |
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Biotic Factors |
The living parts of the environment |
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Invasive Species |
An organism that is not native and causes negative effectd |
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Examples of Biotic Factors |
Introducing predators Introducing new diseases |
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Structural Adaptation |
An advantage to an organism as a result of the way it is formed, like the streamlining seen in fish |
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Behavioural Adaptation |
An advantage to an organism as a result of behaviour, such as courtship |
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Physiological Adaptations |
An advantage to an organism as a result of a process, such as the production of poisonous venom |
